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<!DOCTYPE html>
<html lang="en">
<head>
<title>Pithos ND</title>
<meta charset="utf-8" />
<meta
name="viewport"
content="width=device-width, initial-scale=1.0,-to-fit=no"
/>
<link rel="stylesheet" href="./lib/bootstrap/css/bootstrap.min.css" />
<link rel="stylesheet" href="./css/custom.css" />
</head>
<body class="bg-light">
<script src="./lib/jquery-3.4.1.min.js"></script>
<script src="./lib/popper.min.js"></script>
<script src="./lib/bootstrap/js/bootstrap.min.js"></script>
<script src="./lib/lodash.js"></script>
<script src="./js/formula.js"></script>
<script src="./js/proof.js"></script>
<script src="./js/interfaceUtils.js"></script>
<script src="./js/propositionalRules.js"></script>
<script src="./js/predicateRules.js"></script>
<script src="./js/rulesData.js"></script>
<script src="./js/main.js"></script>
<nav class="navbar navbar-expand-sm navbar-dark bg-primary">
<a class="navbar-brand" href="#">Pithos ND</a>
<button
class="navbar-toggler"
type="button"
data-toggle="collapse"
data-target="#navbarContent"
>
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Application</a>
</li>
<li class="nav-item">
<a
class="nav-link"
href="https://github.com/adamdejl/pithosnd"
target="_blank"
>GitHub</a
>
</li>
</ul>
</div>
</nav>
<div id="inputArea" class="container-fluid">
<div class="py-2 text-center sticky-top bg-light">
<div
class="btn-group pb-1"
role="group"
aria-label="Insert logical connectives"
>
<button type="button" class="btn btn-secondary insert-char-btn">
¬
</button>
<button type="button" class="btn btn-secondary insert-char-btn">
∧
</button>
<button type="button" class="btn btn-secondary insert-char-btn">
∨
</button>
<button type="button" class="btn btn-secondary insert-char-btn">
→
</button>
<button type="button" class="btn btn-secondary insert-char-btn">
↔
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Insert quantifiers"
>
<button type="button" class="btn btn-secondary insert-char-btn">
∀
</button>
<button type="button" class="btn btn-secondary insert-char-btn">
∃
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Insert top or bottom"
>
<button type="button" class="btn btn-secondary insert-char-btn">
⊤
</button>
<button type="button" class="btn btn-secondary insert-char-btn">
⊥
</button>
</div>
<div class="btn-group pb-1" role="group" aria-label="Insert brackets">
<button type="button" class="btn btn-secondary insert-char-btn">
(
</button>
<button type="button" class="btn btn-secondary insert-char-btn">
)
</button>
<button type="button" class="btn btn-secondary insert-char-btn">
[
</button>
<button type="button" class="btn btn-secondary insert-char-btn">
]
</button>
</div>
</div>
<div class="row">
<div class="col-md-12">
<h4 class="mb-2">Givens</h4>
<div
id="noGiven"
class="alert alert-primary"
role="alert"
style="word-wrap: break-word"
>
No givens specified.
</div>
<button id="addGiven" type="button" class="btn btn-outline-primary">
Add given
</button>
<button
id="removeGiven"
typ="button"
class="btn btn-outline-danger"
disabled
>
Remove last given
</button>
<h4 class="my-2">Goal</h4>
<div id="goal" class="form-group goal-group">
<input
id="goalInput"
class="goal-input form-control mb-2"
type="text"
placeholder="Please type your formula here."
value=""
autocomplete="off"
/>
<div
id="goalParsed"
class="goal-parsed alert alert-dark"
role="alert"
style="word-wrap: break-word"
>
The result of the parsing will appear here.
</div>
</div>
<button
id="startProof"
type="button"
class="btn btn-primary btn-lg mb-2"
disabled
>
Start proof
</button>
</div>
</div>
</div>
<div id="proofArea" class="container-fluid">
<div class="py-2 text-center sticky-top bg-light">
<div
class="btn-group pb-1"
role="group"
aria-label="Conjunction natural deduction rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply conjunction introduction"
>
∧I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply conjunction elimination"
>
∧E
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Disjunction natural deduction rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply disjunction introduction"
>
∨I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply disjunction elimination"
>
∨E
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Implication natural deduction rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply implication introduction"
>
→I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply implication elimination"
>
→E
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Negation natural deduction rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply negation introduction"
>
¬I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply negation elimination"
>
¬E
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply double negation elimination"
>
¬¬E
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Top / bottom natural deduction rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply top introduction"
>
⊤I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply bottom introduction"
>
⊥I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply bottom elimination"
>
⊥E
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Biconditional natural deduction rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply biconditional introduction"
>
↔I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply biconditional elimination"
>
↔E
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Natural deduction derived rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply law of excluded middle (also known as 'the lemma' in the ICL logic course)"
>
EM
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply proof by contradiction"
>
PC
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Existential natural deduction rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply existential introduction"
>
∃I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply existential elimination"
>
∃E
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Universal natural deduction rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply universal introduction"
>
∀I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply universal elimination"
>
∀E
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply universal implication introduction"
>
∀→I
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply universal implication elimination"
>
∀→E
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Equality natural deduction rules"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply equality substitution"
>
=sub
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply equality reflexivity"
>
refl
</button>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply equality symmetry"
>
=sym
</button>
</div>
<div
class="btn-group pb-1"
role="group"
aria-label="Tick natural deduction rule"
>
<button
type="button"
class="btn btn-secondary apply-rule"
title="Apply tick rule"
>
✓
</button>
</div>
<div class="btn-group pb-1" role="group" aria-label="Undo or redo">
<button
id="proofUndo"
type="button"
class="btn btn-info"
title="Undo last operation"
disabled
>
↶
</button>
<button
id="proofRedo"
type="button"
class="btn btn-info"
title="Redo most recently undone operation"
disabled
>
↷
</button>
</div>
</div>
<div class="row">
<div class="col-md-12">
<h4 class="mb-2">Proof</h4>
<div id="proofContainer"></div>
<button
id="restartProof"
type="button"
class="btn btn-danger btn-lg mb-2"
data-toggle="modal"
data-target="#confirmRestartDialog"
>
Modify input
</button>
</div>
</div>
</div>
<div
id="confirmRestartDialog"
class="modal fade"
tabindex="-1"
role="dialog"
aria-labelledby="confirmRestartLabel"
aria-hidden="true"
>
<div class="modal-dialog modal-dialog-centered" role="document">
<div class="modal-content bg-light">
<div class="modal-header">
<h5 class="modal-title" id="confirmRestartLabel">
Confirmation required
</h5>
<button
type="button"
class="close"
data-dismiss="modal"
aria-label="Close"
>
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
Do you really wish to discard your proof and modify the givens or
the goal?
</div>
<div class="modal-footer">
<button
id="confirmRestart"
type="button"
class="btn btn-outline-danger"
data-dismiss="modal"
>
Yes
</button>
<button
type="button"
class="btn btn-outline-primary"
data-dismiss="modal"
>
No
</button>
</div>
</div>
</div>
</div>
<div id="dynamicModalArea"></div>
</body>
</html>