From: Claudio Sacerdoti Coen Date: Sun, 4 Oct 2009 14:37:51 +0000 (+0000) Subject: ... X-Git-Tag: make_still_working~3389 X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=19ae6eb1f1e41a730ce84d47128b0ab0348dae5d;p=helm.git ... --- diff --git a/helm/software/matita/nlibrary/topology/igft.ma b/helm/software/matita/nlibrary/topology/igft.ma index 81aefd555..5032471e1 100644 --- a/helm/software/matita/nlibrary/topology/igft.ma +++ b/helm/software/matita/nlibrary/topology/igft.ma @@ -927,6 +927,7 @@ D*) alias symbol "covers" = "new covers set". alias symbol "covers" = "new covers". alias symbol "covers" = "new covers set". +alias symbol "covers" = "new covers". ntheorem new_coverage_infinity: ∀A:nAx.∀U:Ω^A.∀a:A. (∃i:𝐈 a. 𝐈𝐦[𝐝 a i] ◃ U) → a ◃ U. #A; #U; #a; (** screenshot "n-cov-inf-1". *) @@ -1119,7 +1120,7 @@ before doing the induction over `o`. D*) ntheorem max_new_fished: - ∀A:nAx.∀G:qpowerclass_setoid A.∀F:Ω^A.G ⊆ F → (∀a.a ∈ G → ∀i.𝐈𝐦[𝐝 a i] ≬ G) → G ⊆ ⋉F. + ∀A:nAx.∀G:ext_powerclass_setoid A.∀F:Ω^A.G ⊆ F → (∀a.a ∈ G → ∀i.𝐈𝐦[𝐝 a i] ≬ G) → G ⊆ ⋉F. #A; #G; #F; #GF; #H; #b; #HbG; #o; ngeneralize in match HbG; ngeneralize in match b; nchange with (G ⊆ F⎽o);