Theorem fncvm 31239

Description: Lemma for covering maps. (Contributed by Mario Carneiro, 13-Feb-2015.)

Assertion

Ref	Expression
fncvm	|- CovMap Fn ( Top X. Top )

Proof of Theorem fncvm

Dummy variables j c f x k s u v are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		df-cvm 31238	. 2 |- CovMap = ( c e. Top , j e. Top |-> { f e. ( c Cn j ) | A. x e. U. j E. k e. j ( x e. k /\ E. s e. ( ~P c \ { (/) } ) ( U. s = ( `' f " k ) /\ A. u e. s ( A. v e. ( s \ { u } ) ( u i^i v ) = (/) /\ ( f |` u ) e. ( ( c ↾t u ) Homeo ( j ↾t k ) ) ) ) ) } )
2		ovex 6678	. . 3 |- ( c Cn j ) e. _V
3	2	rabex 4813	. 2 |- { f e. ( c Cn j ) | A. x e. U. j E. k e. j ( x e. k /\ E. s e. ( ~P c \ { (/) } ) ( U. s = ( `' f " k ) /\ A. u e. s ( A. v e. ( s \ { u } ) ( u i^i v ) = (/) /\ ( f |` u ) e. ( ( c ↾t u ) Homeo ( j ↾t k ) ) ) ) ) } e. _V
4	1, 3	fnmpt2i 7239	1 |- CovMap Fn ( Top X. Top )

Syntax hints:   /\ wa 384   = wceq 1483   e. wcel 1990   A.wral 2912   E.wrex 2913   {crab 2916   \ cdif 3571   i^i cin 3573   (/)c0 3915   ~Pcpw 4158   {csn 4177   U.cuni 4436   X. cxp 5112   `'ccnv 5113   |` cres 5116   "cima 5117   Fn wfn 5883  (class class class)co 6650   ↾_t crest 16081   Topctop 20698   Cn ccn 21028   Homeochmeo 21556   CovMap ccvm 31237

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-fv 5896  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-1st 7168  df-2nd 7169  df-cvm 31238

This theorem is referenced by:  cvmtop1  31242  cvmtop2  31243