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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Variadic-function/Coq/variadic-function-6.coq Normal file
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Lemma transparent_plus_zero: forall n, n + O = n.
intros n; induction n.
- reflexivity.
- simpl; rewrite IHn; trivial.
Defined.
Lemma transparent_plus_S: forall n m, n + S m = S n + m .
intros n; induction n; intros m.
- reflexivity.
- simpl; f_equal; rewrite IHn; reflexivity.
Defined.