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Twelf
Copyright (C) 1997-2011, Frank Pfenning and Carsten Schuermann
Authors: Frank Pfenning
Carsten Schuermann
With contributions by:
Brigitte Pientka
Roberto Virga
Kevin Watkins
Jason Reed
Twelf is an implementation of
- the LF logical framework, including type reconstruction
- the Elf constraint logic programming language
- a meta-theorem prover for LF (very preliminary)
- a set of expansion modules to deal natively with numbers and strings
- an Emacs interface
Installing
==========
For complete installation instructions, see http://twelf.org/
Twelf can be compiled and installed under Unix, either as a separate
"Twelf Server" intended primarily as an inferior process to Emacs, or as
a structure Twelf embedded in Standard ML.
To build with SML of New Jersey type "make smlnj." To build with MLton type
"make mlton." If you are building Twelf through SML of New Jersey, you may need
to run "make buildid" first.
Files
=====
README --- this file
Makefile --- enables make
server.cm --- used to build Twelf Server
sources.cm --- used to build Twelf SML
bin/ --- utility scripts, heaps, binaries
build/ --- build files (type "make" to see options)
doc/ --- (Outdated) Twelf user's guide
emacs/ --- Emacs interface for Twelf
examples/ --- various case studies
examples-clp/ --- examples of use of the numbers and strings extensions
src/ --- the SML sources for Twelf
tex/ --- TeX macros and style files
vim/ --- Vim interface for Twelf

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all \u003cpre\u003e\u003ccode\u003e blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks"); } } catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); } })(); (function(){ try { var __m = "github.com"; var __re = new RegExp('^' + "github\\.com" + '
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Twelf
Copyright (C) 1997-2011, Frank Pfenning and Carsten Schuermann
Authors: Frank Pfenning
Carsten Schuermann
With contributions by:
Brigitte Pientka
Roberto Virga
Kevin Watkins
Jason Reed
Twelf is an implementation of
- the LF logical framework, including type reconstruction
- the Elf constraint logic programming language
- a meta-theorem prover for LF (very preliminary)
- a set of expansion modules to deal natively with numbers and strings
- an Emacs interface
Installing
==========
For complete installation instructions, see http://twelf.org/
Twelf can be compiled and installed under Unix, either as a separate
"Twelf Server" intended primarily as an inferior process to Emacs, or as
a structure Twelf embedded in Standard ML.
To build with SML of New Jersey type "make smlnj." To build with MLton type
"make mlton." If you are building Twelf through SML of New Jersey, you may need
to run "make buildid" first.
Files
=====
README --- this file
Makefile --- enables make
server.cm --- used to build Twelf Server
sources.cm --- used to build Twelf SML
bin/ --- utility scripts, heaps, binaries
build/ --- build files (type "make" to see options)
doc/ --- (Outdated) Twelf user's guide
emacs/ --- Emacs interface for Twelf
examples/ --- various case studies
examples-clp/ --- examples of use of the numbers and strings extensions
src/ --- the SML sources for Twelf
tex/ --- TeX macros and style files
vim/ --- Vim interface for Twelf

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Twelf
Copyright (C) 1997-2011, Frank Pfenning and Carsten Schuermann
Authors: Frank Pfenning
Carsten Schuermann
With contributions by:
Brigitte Pientka
Roberto Virga
Kevin Watkins
Jason Reed
Twelf is an implementation of
- the LF logical framework, including type reconstruction
- the Elf constraint logic programming language
- a meta-theorem prover for LF (very preliminary)
- a set of expansion modules to deal natively with numbers and strings
- an Emacs interface
Installing
==========
For complete installation instructions, see http://twelf.org/
Twelf can be compiled and installed under Unix, either as a separate
"Twelf Server" intended primarily as an inferior process to Emacs, or as
a structure Twelf embedded in Standard ML.
To build with SML of New Jersey type "make smlnj." To build with MLton type
"make mlton." If you are building Twelf through SML of New Jersey, you may need
to run "make buildid" first.
Files
=====
README --- this file
Makefile --- enables make
server.cm --- used to build Twelf Server
sources.cm --- used to build Twelf SML
bin/ --- utility scripts, heaps, binaries
build/ --- build files (type "make" to see options)
doc/ --- (Outdated) Twelf user's guide
emacs/ --- Emacs interface for Twelf
examples/ --- various case studies
examples-clp/ --- examples of use of the numbers and strings extensions
src/ --- the SML sources for Twelf
tex/ --- TeX macros and style files
vim/ --- Vim interface for Twelf

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The Twelf Programming Language (mirror of SVN repository)

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length \u003e 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Twelf
Copyright (C) 1997-2011, Frank Pfenning and Carsten Schuermann
Authors: Frank Pfenning
Carsten Schuermann
With contributions by:
Brigitte Pientka
Roberto Virga
Kevin Watkins
Jason Reed
Twelf is an implementation of
- the LF logical framework, including type reconstruction
- the Elf constraint logic programming language
- a meta-theorem prover for LF (very preliminary)
- a set of expansion modules to deal natively with numbers and strings
- an Emacs interface
Installing
==========
For complete installation instructions, see http://twelf.org/
Twelf can be compiled and installed under Unix, either as a separate
"Twelf Server" intended primarily as an inferior process to Emacs, or as
a structure Twelf embedded in Standard ML.
To build with SML of New Jersey type "make smlnj." To build with MLton type
"make mlton." If you are building Twelf through SML of New Jersey, you may need
to run "make buildid" first.
Files
=====
README --- this file
Makefile --- enables make
server.cm --- used to build Twelf Server
sources.cm --- used to build Twelf SML
bin/ --- utility scripts, heaps, binaries
build/ --- build files (type "make" to see options)
doc/ --- (Outdated) Twelf user's guide
emacs/ --- Emacs interface for Twelf
examples/ --- various case studies
examples-clp/ --- examples of use of the numbers and strings extensions
src/ --- the SML sources for Twelf
tex/ --- TeX macros and style files
vim/ --- Vim interface for Twelf

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The Twelf Programming Language (mirror of SVN repository)

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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Twelf
Copyright (C) 1997-2011, Frank Pfenning and Carsten Schuermann
Authors: Frank Pfenning
Carsten Schuermann
With contributions by:
Brigitte Pientka
Roberto Virga
Kevin Watkins
Jason Reed
Twelf is an implementation of
- the LF logical framework, including type reconstruction
- the Elf constraint logic programming language
- a meta-theorem prover for LF (very preliminary)
- a set of expansion modules to deal natively with numbers and strings
- an Emacs interface
Installing
==========
For complete installation instructions, see http://twelf.org/
Twelf can be compiled and installed under Unix, either as a separate
"Twelf Server" intended primarily as an inferior process to Emacs, or as
a structure Twelf embedded in Standard ML.
To build with SML of New Jersey type "make smlnj." To build with MLton type
"make mlton." If you are building Twelf through SML of New Jersey, you may need
to run "make buildid" first.
Files
=====
README --- this file
Makefile --- enables make
server.cm --- used to build Twelf Server
sources.cm --- used to build Twelf SML
bin/ --- utility scripts, heaps, binaries
build/ --- build files (type "make" to see options)
doc/ --- (Outdated) Twelf user's guide
emacs/ --- Emacs interface for Twelf
examples/ --- various case studies
examples-clp/ --- examples of use of the numbers and strings extensions
src/ --- the SML sources for Twelf
tex/ --- TeX macros and style files
vim/ --- Vim interface for Twelf

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The Twelf Programming Language (mirror of SVN repository)

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Twelf
Copyright (C) 1997-2011, Frank Pfenning and Carsten Schuermann
Authors: Frank Pfenning
Carsten Schuermann
With contributions by:
Brigitte Pientka
Roberto Virga
Kevin Watkins
Jason Reed
Twelf is an implementation of
- the LF logical framework, including type reconstruction
- the Elf constraint logic programming language
- a meta-theorem prover for LF (very preliminary)
- a set of expansion modules to deal natively with numbers and strings
- an Emacs interface
Installing
==========
For complete installation instructions, see http://twelf.org/
Twelf can be compiled and installed under Unix, either as a separate
"Twelf Server" intended primarily as an inferior process to Emacs, or as
a structure Twelf embedded in Standard ML.
To build with SML of New Jersey type "make smlnj." To build with MLton type
"make mlton." If you are building Twelf through SML of New Jersey, you may need
to run "make buildid" first.
Files
=====
README --- this file
Makefile --- enables make
server.cm --- used to build Twelf Server
sources.cm --- used to build Twelf SML
bin/ --- utility scripts, heaps, binaries
build/ --- build files (type "make" to see options)
doc/ --- (Outdated) Twelf user's guide
emacs/ --- Emacs interface for Twelf
examples/ --- various case studies
examples-clp/ --- examples of use of the numbers and strings extensions
src/ --- the SML sources for Twelf
tex/ --- TeX macros and style files
vim/ --- Vim interface for Twelf

About

The Twelf Programming Language (mirror of SVN repository)

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Twelf
Copyright (C) 1997-2011, Frank Pfenning and Carsten Schuermann
Authors: Frank Pfenning
Carsten Schuermann
With contributions by:
Brigitte Pientka
Roberto Virga
Kevin Watkins
Jason Reed
Twelf is an implementation of
- the LF logical framework, including type reconstruction
- the Elf constraint logic programming language
- a meta-theorem prover for LF (very preliminary)
- a set of expansion modules to deal natively with numbers and strings
- an Emacs interface
Installing
==========
For complete installation instructions, see http://twelf.org/
Twelf can be compiled and installed under Unix, either as a separate
"Twelf Server" intended primarily as an inferior process to Emacs, or as
a structure Twelf embedded in Standard ML.
To build with SML of New Jersey type "make smlnj." To build with MLton type
"make mlton." If you are building Twelf through SML of New Jersey, you may need
to run "make buildid" first.
Files
=====
README --- this file
Makefile --- enables make
server.cm --- used to build Twelf Server
sources.cm --- used to build Twelf SML
bin/ --- utility scripts, heaps, binaries
build/ --- build files (type "make" to see options)
doc/ --- (Outdated) Twelf user's guide
emacs/ --- Emacs interface for Twelf
examples/ --- various case studies
examples-clp/ --- examples of use of the numbers and strings extensions
src/ --- the SML sources for Twelf
tex/ --- TeX macros and style files
vim/ --- Vim interface for Twelf

About

The Twelf Programming Language (mirror of SVN repository)

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1 watching

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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Twelf
Copyright (C) 1997-2011, Frank Pfenning and Carsten Schuermann
Authors: Frank Pfenning
Carsten Schuermann
With contributions by:
Brigitte Pientka
Roberto Virga
Kevin Watkins
Jason Reed
Twelf is an implementation of
- the LF logical framework, including type reconstruction
- the Elf constraint logic programming language
- a meta-theorem prover for LF (very preliminary)
- a set of expansion modules to deal natively with numbers and strings
- an Emacs interface
Installing
==========
For complete installation instructions, see http://twelf.org/
Twelf can be compiled and installed under Unix, either as a separate
"Twelf Server" intended primarily as an inferior process to Emacs, or as
a structure Twelf embedded in Standard ML.
To build with SML of New Jersey type "make smlnj." To build with MLton type
"make mlton." If you are building Twelf through SML of New Jersey, you may need
to run "make buildid" first.
Files
=====
README --- this file
Makefile --- enables make
server.cm --- used to build Twelf Server
sources.cm --- used to build Twelf SML
bin/ --- utility scripts, heaps, binaries
build/ --- build files (type "make" to see options)
doc/ --- (Outdated) Twelf user's guide
emacs/ --- Emacs interface for Twelf
examples/ --- various case studies
examples-clp/ --- examples of use of the numbers and strings extensions
src/ --- the SML sources for Twelf
tex/ --- TeX macros and style files
vim/ --- Vim interface for Twelf

About

The Twelf Programming Language (mirror of SVN repository)

Resources

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1 watching

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Packages

Contributors

Languages