2014-01-05 18:32:47 +00:00
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(* import("tactic.lua") *)
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2014-01-05 20:05:08 +00:00
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variables a b c : Bool
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axiom H : a \/ b
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2014-01-08 08:38:39 +00:00
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theorem T (a b : Bool) : a \/ b → b \/ a.
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2014-01-06 03:10:21 +00:00
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apply (or::elim H).
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apply or::intror.
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2013-12-26 23:54:53 +00:00
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exact.
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2014-01-06 03:10:21 +00:00
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apply or::introl.
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2013-12-26 23:54:53 +00:00
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exact.
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2013-12-25 06:40:34 +00:00
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done.
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