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Theorem hmeoclda 32328
Description: Homeomorphisms preserve closedness. (Contributed by Jeff Hankins, 3-Jul-2009.) (Revised by Mario Carneiro, 3-Jun-2014.)
Assertion
Ref Expression
hmeoclda  |-  ( ( ( J  e.  Top  /\  K  e.  Top  /\  F  e.  ( J Homeo K ) )  /\  S  e.  ( Clsd `  J ) )  -> 
( F " S
)  e.  ( Clsd `  K ) )

Proof of Theorem hmeoclda
StepHypRef Expression
1 hmeocnvcn 21564 . . 3  |-  ( F  e.  ( J Homeo K )  ->  `' F  e.  ( K  Cn  J
) )
213ad2ant3 1084 . 2  |-  ( ( J  e.  Top  /\  K  e.  Top  /\  F  e.  ( J Homeo K ) )  ->  `' F  e.  ( K  Cn  J
) )
3 imacnvcnv 5599 . . 3  |-  ( `' `' F " S )  =  ( F " S )
4 cnclima 21072 . . 3  |-  ( ( `' F  e.  ( K  Cn  J )  /\  S  e.  ( Clsd `  J ) )  -> 
( `' `' F " S )  e.  (
Clsd `  K )
)
53, 4syl5eqelr 2706 . 2  |-  ( ( `' F  e.  ( K  Cn  J )  /\  S  e.  ( Clsd `  J ) )  -> 
( F " S
)  e.  ( Clsd `  K ) )
62, 5sylan 488 1  |-  ( ( ( J  e.  Top  /\  K  e.  Top  /\  F  e.  ( J Homeo K ) )  /\  S  e.  ( Clsd `  J ) )  -> 
( F " S
)  e.  ( Clsd `  K ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    /\ wa 384    /\ w3a 1037    e. wcel 1990   `'ccnv 5113   "cima 5117   ` cfv 5888  (class class class)co 6650   Topctop 20698   Clsdccld 20820    Cn ccn 21028   Homeochmeo 21556
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-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  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-map 7859  df-top 20699  df-topon 20716  df-cld 20823  df-cn 21031  df-hmeo 21558
This theorem is referenced by: (None)
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