Theorem hmeof1o2 15102

Description: A homeomorphism is a 1-1-onto mapping. (Contributed by Mario Carneiro, 22-Aug-2015.)

Assertion

Ref	Expression
hmeof1o2	|- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> F : X -1-1-onto-> Y )

Proof of Theorem hmeof1o2

Step	Hyp	Ref	Expression
1		hmeocn 15099	. . . 4 |- ( F e. ( J Homeo K ) -> F e. ( J Cn K ) )
2		cnf2 14999	. . . 4 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Cn K ) ) -> F : X --> Y )
3	1, 2	syl3an3 1309	. . 3 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> F : X --> Y )
4	3	ffnd 5490	. 2 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> F Fn X )
5		hmeocnvcn 15100	. . . 4 |- ( F e. ( J Homeo K ) -> `' F e. ( K Cn J ) )
6		cnf2 14999	. . . . 5 |- ( ( K e. (TopOn ` Y ) /\ J e. (TopOn ` X ) /\ `' F e. ( K Cn J ) ) -> `' F : Y --> X )
7	6	3com12 1234	. . . 4 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ `' F e. ( K Cn J ) ) -> `' F : Y --> X )
8	5, 7	syl3an3 1309	. . 3 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> `' F : Y --> X )
9	8	ffnd 5490	. 2 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> `' F Fn Y )
10		dff1o4 5600	. 2 |- ( F : X -1-1-onto-> Y <-> ( F Fn X /\ `' F Fn Y ) )
11	4, 9, 10	sylanbrc 417	1 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> F : X -1-1-onto-> Y )

Syntax hints:   -> wi 4   /\ w3a 1005   e. wcel 2202   `'ccnv 4730   Fn wfn 5328   -->wf 5329   -1-1-onto->wf1o 5332   ` cfv 5333  (class class class)co 6028  TopOnctopon 14804   Cn ccn 14979   Homeochmeo 15094

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2204  ax-14 2205  ax-ext 2213  ax-sep 4212  ax-pow 4270  ax-pr 4305  ax-un 4536  ax-setind 4641

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ne 2404  df-ral 2516  df-rex 2517  df-rab 2520  df-v 2805  df-sbc 3033  df-csb 3129  df-dif 3203  df-un 3205  df-in 3207  df-ss 3214  df-pw 3658  df-sn 3679  df-pr 3680  df-op 3682  df-uni 3899  df-iun 3977  df-br 4094  df-opab 4156  df-mpt 4157  df-id 4396  df-xp 4737  df-rel 4738  df-cnv 4739  df-co 4740  df-dm 4741  df-rn 4742  df-res 4743  df-ima 4744  df-iota 5293  df-fun 5335  df-fn 5336  df-f 5337  df-f1 5338  df-fo 5339  df-f1o 5340  df-fv 5341  df-ov 6031  df-oprab 6032  df-mpo 6033  df-1st 6312  df-2nd 6313  df-map 6862  df-top 14792  df-topon 14805  df-cn 14982  df-hmeo 15095

This theorem is referenced by:  hmeof1o  15103