21 lines
461 B
Text
21 lines
461 B
Text
definition rr [constructor] {A : Type} {a : A} := eq.refl a
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constants f g : Π {A : Type}, A → A
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example (A : Type) (a b : A) (C : A → Type) (H : C a) (f g : C a → C a) : f = g → f (eq.rec H rr) = g H :=
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begin
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intros,
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esimp,
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state,
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congruence,
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assumption
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end
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example (A : Type) (a b : A) (C : A → Type) (H : C a) (f g : C a → C a) : f = g → f (eq.rec_on rr H) = g H :=
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begin
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intros,
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esimp,
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state,
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congruence,
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assumption
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end
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