19 lines
593 B
Text
19 lines
593 B
Text
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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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Proved: T1
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Proved: T2
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Theorem T2 : p ⇒ q ⇒ p ∧ q ∧ p := Discharge (λ H : p, Discharge (λ H::1 : q, Conj H (Conj H::1 H)))
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Proved: T3
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Theorem T3 : p ⇒ p ∧ q ⇒ r ⇒ q ∧ r ∧ p :=
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Discharge
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(λ H : p,
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Discharge
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(λ H::1 : p ∧ q,
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Discharge
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(λ H::2 : r,
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Conj (let H::1::2 := Conjunct2 H::1 in H::1::2)
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(Conj H::2 (let H::1::1 := Conjunct1 H::1 in H::1::1)))))
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