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<!DOCTYPE html>
<html>
* <head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width" />
<title>ProofJS Demos</title>
<link rel="stylesheet" href="./proof.css" type="text/css" media="screen" title="no title" charset="utf-8">
<link rel="stylesheet" href="./demo.css" type="text/css" media="screen" title="no title" charset="utf-8">
<script src="./proof.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/skeleton/2.0.4/skeleton.min.css" type="text/css" media="screen" title="no title" charset="utf-8">
</head>
<body>
<div>
<p>Press <code>Enter</code> to create a new sibling node.</p>
<p>Press <code>Ctrl-Enter</code> to create a new parent node.</p>
<p>Press <code>Ctrl-Shift-Enter</code> to create a new child node.</p>
<p>Cycle nodes with <code>Tab</code> and <code>Shift-Tab</code>.</p>
<p>Undo and Redo changes with <code>Ctrl-Z</code> and <code>Ctrl-Shift-Z</code>.</p>
<p>Delete subtrees with <code>Ctrl-Backspace</code>.</p>
<p>Cut, Copy, and Paste subtrees with <code>Shift-Ctrl-X</code>, <code>Shift-Ctrl-C</code> and <code>Shift-Ctrl-V</code>
<p>
Mouse over rule labels for annotations, including errors and calculated sequents for the Gentzen-Prawitz tree.
</p>
</div>
<div style="margin-bottom:10px; display:flex;flex-wrap:wrap">
<div id="sandbox1" class="sandbox">
<div class="json-container">
view JSON
<div id="json1" class="json"> </div>
</div>
</div>
<div id="sandbox2" class="sandbox">
<div class="json-container">
view JSON
<div id="json2" class="json"> </div>
</div>
</div>
<div id="sandbox3" class="sandbox">
<div class="json-container">
view JSON
<div id="json3" class="json"> </div>
</div>
</div>
</div>
</body>
<script id="alljs" src="./all.js"></script>
<script defer>
var sandbox1 = document.getElementById('sandbox1');
var sandbox2 = document.getElementById('sandbox2');
var sandbox3 = document.getElementById('sandbox3');
var jsonDisplay1 = document.getElementById('json1');
var jsonDisplay2 = document.getElementById('json2');
var jsonDisplay3 = document.getElementById('json3');
var root1 = new ProofRoot(
{
"label": "(P->Q)->((R->P)->(R->Q))",
"rule": "->I(1)",
"forest": [
{
"label": "(R->P)->(R->Q)",
"rule": "->I(2)",
"forest": [
{
"label": "R->Q",
"rule": "->I(3)",
"forest": [
{
"label": "Q",
"rule": "->E",
"forest": [
{
"label": "P->Q",
"rule": "(1)",
"forest": [
{
"label": "",
"rule": "",
"forest": []
}
]
},
{
"label": "P",
"rule": "->E",
"forest": [
{
"label": "R->P",
"rule": "(2)",
"forest": [
{
"label": "",
"rule": "",
"forest": []
}
]
},
{
"label": "R",
"rule": "(3)",
"forest": [
{
"label": "",
"rule": "",
"forest": []
}
]
}
]
}
]
}
]
}
]
}
]
}
);
var root2 = new DeductionRoot(
{
"label": "P,P->Q:|-:Q",
"rule": "L->",
"ident": 11,
"forest": [
{
"label": "P,Q:|-:Q",
"rule": "Cut",
"ident": 12,
"forest": [
{
"label": "P,Q,R:|-:Q",
"rule": "Rep",
"ident": 13,
"forest": [
{
"label": "P,R,Q:|-:Q",
"rule": "Ax",
"ident": 58,
"forest": [
{
"label": "",
"rule": "",
"ident": 59,
"forest": []
}
]
}
]
},
{
"label": "P,Q:|-:Q,R",
"rule": "Ax",
"ident": 14,
"forest": [
{
"label": "",
"rule": "",
"ident": 57,
"forest": []
}
]
}
]
},
{
"label": "P:|-:Q,P",
"rule": "Ax",
"ident": 15,
"forest": [
{
"label": "",
"rule": "",
"ident": 16,
"forest": []
}
]
}
]
}
);
var root3 = new DeductionRoot(
{
"label": "AxEy(F(x)/\\G(y)):|-:EyAx(F(x)/\\G(y))",
"rule": "RE",
"forest": [
{
"label": "AxEy(F(x)/\\G(y)) :|-: Ax(F(x)/\\G(b)), EyAx(F(x)/\\G(y))",
"rule": "LA",
"forest": [
{
"label": "AxEy(F(x)/\\G(y)), Ey(F(a)/\\G(y)) :|-: Ax(F(x)/\\G(b)), EyAx(F(x)/\\G(y))",
"rule": "LE",
"forest": [
{
"label": "AxEy(F(x)/\\G(y)), F(a)/\\G(c) :|-: Ax(F(x)/\\G(b)), EyAx(F(x)/\\G(y))",
"rule": "L&2",
"forest": [
{
"label": "G(c), AxEy(F(x)/\\G(y)) :|-: Ax(F(x)/\\G(b)), EyAx(F(x)/\\G(y))",
"rule": "RA",
"forest": [
{
"label": "G(c), AxEy(F(x)/\\G(y)) :|-: F(d)/\\G(b), EyAx(F(x)/\\G(y))",
"rule": "R&",
"forest": [
{
"label": "G(c), AxEy(F(x)/\\G(y)) :|-: F(d), EyAx(F(x)/\\G(y))",
"rule": "LA",
"forest": [
{
"label": "G(c), Ey(F(d)/\\G(y)) :|-: F(d), EyAx(F(x)/\\G(y))",
"rule": "LE",
"forest": [
{
"label": "G(c), F(d)/\\G(e) :|-: F(d), EyAx(F(x)/\\G(y))",
"rule": "L&1",
"forest": [
{
"label": "G(c), F(d) :|-: F(d), EyAx(F(x)/\\G(y))",
"rule": "Ax",
"forest": [
{
"label": "",
"rule": "",
"forest": []
}
]
}
]
}
]
}
]
},
{
"label": "AxEy(F(x)/\\G(y)), G(c):|-:EyAx(F(x)/\\G(y)), G(b)",
"rule": "RE",
"forest": [
{
"label": "AxEy(F(x)/\\G(y)), G(c):|-:Ax(F(x)/\\G(c)), G(b)",
"rule": "RA",
"forest": [
{
"label": "G(c), AxEy(F(x)/\\G(y)), :|-:F(a)/\\G(c), G(b)",
"rule": "LA",
"forest": [
{
"label": "G(c), Ey(F(a)/\\G(y)), :|-:F(a)/\\G(c), G(b)",
"rule": "LE",
"forest": [
{
"label": "G(c), F(a)/\\G(d) :|-:F(a)/\\G(c), G(b)",
"rule": "L&1",
"forest": [
{
"label": "G(c), F(a) :|-:F(a)/\\G(c), G(b)",
"rule": "R&",
"forest": [
{
"label": "F(a),G(c) :|-:G(c), G(b)",
"rule": "Ax",
"forest": [
{
"label": "",
"rule": "",
"forest": []
}
]
},
{
"label": "G(c), F(a) :|-:F(a), G(b)",
"rule": "Ax",
"forest": [
{
"label": "",
"rule": "",
"forest": []
}
]
}
]
}
]
}
]
}
]
}
]
}
]
}
]
}
]
}
]
}
]
}
]
}
]
})
jsonDisplay1.innerHTML = "<pre contenteditable='true'>" + JSON.stringify(root1,null,2) + "</pre>";
jsonDisplay2.innerHTML = "<pre contenteditable='true'>" + JSON.stringify(root2,null,2) + "</pre>";
jsonDisplay3.innerHTML = "<pre contenteditable='true'>" + JSON.stringify(root3,null,2) + "</pre>";
root1.on('changed', function () {
jsonDisplay1.lastChild.innerHTML = "<pre>" + JSON.stringify(root1,null,2) + "</pre>";
});
root2.on('changed', function () {
jsonDisplay2.lastChild.innerHTML = "<pre>" + JSON.stringify(root2,null,2) + "</pre>";
});
root3.on('changed', function () {
jsonDisplay3.lastChild.innerHTML = "<pre>" + JSON.stringify(root3,null,2) + "</pre>";
});
jsonDisplay1.addEventListener('keyup', function() {
root1.replace(JSON.parse(this.lastChild.innerText))
});
jsonDisplay2.addEventListener('keyup', function() {
root2.replace(JSON.parse(this.lastChild.innerText))
});
jsonDisplay3.addEventListener('keyup', function() {
root3.replace(JSON.parse(this.lastChild.innerText))
});
root1.renderOn(sandbox1);
root2.renderOn(sandbox2);
root3.renderOn(sandbox3);
//a proof can be decorated with a tree of annotations
root1.decorate({
class: "highlighted",
info: "an inference the assumption (1)",
forest: []
});
function trimProof (n,obj) {
if (n == 0) { return ({label: obj.label, rule: obj.rule, forest: []})}
else { return ({label: obj.label, rule: obj.rule, forest: obj.forest.map((t)=>{return trimProof(n-1,t)})})}}
function trimInfo (n,obj) {
if (n == 0) { return ({info: obj.info, class: obj.class, forest: []})}
else { return ({info: obj.info, class: obj.class, forest: obj.forest.map((t)=>{return trimInfo(n-1,t)})})}}
function slowLoad () {
setTimeout(function () {
try {
Carnap.checkProofTreeInfo(root1,(t)=>{root1.decorate(t)})
Carnap.checkPropSequent(root2,(t)=>{root2.decorate(t)});
Carnap.checkFOLSequent(root3,(t)=>{root3.decorate(t)});
}
catch (e) {slowLoad()}
},100)
};
slowLoad()
var updateTimeout
root1.on("changed",(thenode)=>{
clearTimeout(updateTimeout)
updateTimeout = setTimeout(function() {
Carnap.checkProofTreeInfo(root1,(t)=>{root1.decorate(t)})
},500)
});
root2.on("changed",(thenode)=>{
clearTimeout(updateTimeout)
updateTimeout = setTimeout(function() {
if (thenode.label == "") {thenode.info = ""; thenode.class = "";}
if (thenode.parentNode) thenode = thenode.parentNode
Carnap.checkPropSequent(trimProof(2,thenode),(t)=>{thenode.decorate(trimInfo(1,t))})
},500)
});
root3.on("changed",(thenode)=>{
clearTimeout(updateTimeout)
updateTimeout = setTimeout(function() {
if (thenode.label == "") {thenode.info = ""; thenode.class = "";}
if (thenode.parentNode) thenode = thenode.parentNode
Carnap.checkFOLSequent(trimProof(2,thenode),(t)=>{thenode.decorate(trimInfo(1,t))})
},500)
});
</script>
</html>