6 lines
177 B
Text
6 lines
177 B
Text
Set: pp::colors
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Set: pp::unicode
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Assumed: p
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Assumed: q
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Assumed: r
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theorem T1 : p ⇒ q ⇒ p ∧ q := discharge (λ H : p, discharge (λ H::1 : q, and::intro H H::1))
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