- nDestructTac: Sys.break handled in two places

[helm.git] / matita / matita / contribs / lambda_delta / basic_2 / reducibility / twhnf.ma

diff --git a/matita/matita/contribs/lambda_delta/basic_2/reducibility/twhnf.ma b/matita/matita/contribs/lambda_delta/basic_2/reducibility/twhnf.ma
index 2a5e62f3444e8a013381e2c91b8c5459d20eb72f..5125fbb0e6317c74ac0b2edd64e841581fe9aa09 100644 (file)
--- a/matita/matita/contribs/lambda_delta/basic_2/reducibility/twhnf.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/reducibility/twhnf.ma
@@ -25,7 +25,7 @@ interpretation
 
 (* Basic inversion lemmas ***************************************************)
 
-lemma twhnf_inv_tshf: ∀T. 𝐖𝐇𝐍[T] → T ≈ T.
+lemma twhnf_inv_tshf: ∀T. 𝐖𝐇𝐍⦃T⦄ → T ≈ T.
 normalize /2 width=1/
 qed-.
 
@@ -52,5 +52,5 @@ lemma tpr_tshf: ∀T1,T2. T1 ➡ T2 → T1 ≈ T1 → T1 ≈ T2.
 ]
 qed.
 
-lemma twhnf_tshf: ∀T. T ≈ T → 𝐖𝐇𝐍[T].
+lemma twhnf_tshf: ∀T. T ≈ T → 𝐖𝐇𝐍⦃T⦄.
 /3 width=1/ qed.