10 lines
280 B
Text
10 lines
280 B
Text
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-- Basic (propositional) forward chaining with nested backward chaining
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constants (A B C D : Prop)
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set_option blast.trace true
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set_option blast.init_depth 10
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set_option blast.inc_depth 1000
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set_option pp.all true
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definition lemma1 : A → (A → B) → C → B ∧ C :=
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by blast
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