This commit is contained in:
Thomas Baruchel 2023-01-21 19:43:33 +01:00
parent 03aa9cd43f
commit 24f9104737
1 changed files with 4 additions and 1 deletions

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@ -425,6 +425,7 @@ Proof.
rewrite <- Nat.succ_lt_mono. apply Nat.lt_0_succ.
generalize Z. generalize H3. apply Nat.lt_trans.
(* FIRST PART OF THE PROOF: case b0 = b1 *)
(* première hypothèse b0 = b1 mais alors on construit vers la
gauche jusqu'à (lest hd) et l'on a dans l'ordre jusqu'au centre :
b1 | (negb b1) b1 | b1 (negb b1 ||
@ -580,7 +581,9 @@ Proof.
apply tm_step_cubefree in H. contradiction H. reflexivity.
apply Nat.lt_0_succ. reflexivity. easy. easy.
(* SECOND PART PF THE PROOF: case b0 <> b1 *)
assert ({b=b1} + {~ b=b1}). apply bool_dec. destruct H1.
rewrite e in H.