proof-js/tree0.html at master · edkins/proof-js · GitHub

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<html>
<meta charset="US-ASCII">
<head>
  <link rel="stylesheet" type="text/css" href="tree0.css"></link>
  <script src="parse.js" language="JavaScript"></script>
  <script src="logic.js" language="JavaScript"></script>
  <script src="tree0.js" language="JavaScript"></script>
</head>
<body>
  <div class="fix">
    <p>
      Fix
      <span class="fixlist" id="fixed" onkeyup="onKeyUp(event)">
      </span>
    </p>
  </div>
  <div class="sidebar">
    <p>
      <button type="button" onclick="rule('induction')">Induction</button>
    </p>
    <p>
      <button type="button" onclick="rule('plus_0_left')">0 +</button>
    </p>
    <p>
      <button type="button" onclick="rule('plus_S_left')">S x +</button>
    </p>
  </div>
  <div class="main">
    <p><div class="slice" id="goal">
      <h2>
        Proposition to be proved:
      </h2>
      <button type="button" class="big-new"
        data-vis="vanish"
        data-generate="true"
        onclick="newGoal()">
        +
      </button>
    </div></p>
    <p><div class="slice" id="premises">
      <h2>
        Premises:
      </h2>
      <button type="button" class="big-new"
        data-vis="vanish"
        data-generate="true"
        onclick="newPremise('')">
        +
      </button>
      <button type="button" class="new"
        data-vis="appear" style="display:none"
        data-generate="true"
        onclick="newPremise('')">
        +
      </button>
    </div></p>
  </div>
</body>
</html>