4 lines
200 B
Text
4 lines
200 B
Text
definition lemma1 : ∀ (a : ℕ), r a → s a → p a :=
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λ (a : ℕ) (H.1 : r a) (H.2 : s a), rq₁ a H.1
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definition lemma2 : ∀ (a : ℕ), r a → s a → p a :=
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λ (a : ℕ) (H.1 : r a), rq₂ a
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