2014-09-17 21:39:05 +00:00
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definition Prop : Type.{1} := Type.{0}
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2014-07-22 16:43:18 +00:00
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variables a b c : Prop
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2014-06-20 18:35:12 +00:00
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axiom Ha : a
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axiom Hb : b
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axiom Hc : c
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check have H1 : a, from Ha,
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have H2 : a, using H1, from H1,
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2014-09-17 21:39:05 +00:00
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H2
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