2014-08-25 02:58:48 +00:00
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import logic
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2014-07-02 17:35:43 +00:00
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using tactic
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2014-07-22 16:43:18 +00:00
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variables a b c d : Prop
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2014-06-20 18:57:01 +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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print raw
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2014-07-03 01:10:42 +00:00
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have H1 : a, by assumption,
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then have H2 : b, by assumption,
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have H3 : c, by assumption,
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then have H4 : d, by assumption,
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2014-06-20 18:57:01 +00:00
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H4
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