10 lines
No EOL
201 B
Text
10 lines
No EOL
201 B
Text
(* import("tactic.lua") *)
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variables a b c : Bool
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axiom H : a \/ b
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theorem T (a b : Bool) : a \/ b → b \/ a.
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apply (or_elim H).
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apply or_intror.
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exact.
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apply or_introl.
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exact.
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done. |