6 lines
197 B
Text
6 lines
197 B
Text
Theorem simple (p q r : Bool) : (p ⇒ q) ∧ (q ⇒ r) ⇒ p ⇒ r :=
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Discharge (λ H1, Discharge (λ H2, MP (Conjunct2 H1) (MP (Conjunct1 H1) H2)))
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Set pp::implicit true
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Show Environment 1
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