Theorem hmeof1o2 15332

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 15329	. . . 4 |- ( F e. ( J Homeo K ) -> F e. ( J Cn K ) )
2		cnf2 15229	. . . 4 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Cn K ) ) -> F : X --> Y )
3	1, 2	syl3an3 1313	. . 3 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> F : X --> Y )
4	3	ffnd 5529	. 2 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> F Fn X )
5		hmeocnvcn 15330	. . . 4 |- ( F e. ( J Homeo K ) -> `' F e. ( K Cn J ) )
6		cnf2 15229	. . . . 5 |- ( ( K e. (TopOn ` Y ) /\ J e. (TopOn ` X ) /\ `' F e. ( K Cn J ) ) -> `' F : Y --> X )
7	6	3com12 1238	. . . 4 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ `' F e. ( K Cn J ) ) -> `' F : Y --> X )
8	5, 7	syl3an3 1313	. . 3 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> `' F : Y --> X )
9	8	ffnd 5529	. 2 |- ( ( J e. (TopOn ` X ) /\ K e. (TopOn ` Y ) /\ F e. ( J Homeo K ) ) -> `' F Fn Y )
10		dff1o4 5642	. 2 |- ( F : X -1-1-onto-> Y <-> ( F Fn X /\ `' F Fn Y ) )
11	4, 9, 10	sylanbrc 421	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 1009   e. wcel 2209   `'ccnv 4768   Fn wfn 5367   -->wf 5368   -1-1-onto->wf1o 5371   ` cfv 5372  (class class class)co 6075  TopOnctopon 15034   Cn ccn 15209   Homeochmeo 15324

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 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4244  ax-pow 4306  ax-pr 4341  ax-un 4573  ax-setind 4679

This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-ral 2533  df-rex 2534  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-pw 3687  df-sn 3711  df-pr 3712  df-op 3714  df-uni 3931  df-iun 4009  df-br 4126  df-opab 4188  df-mpt 4189  df-id 4433  df-xp 4775  df-rel 4776  df-cnv 4777  df-co 4778  df-dm 4779  df-rn 4780  df-res 4781  df-ima 4782  df-iota 5332  df-fun 5374  df-fn 5375  df-f 5376  df-f1 5377  df-fo 5378  df-f1o 5379  df-fv 5380  df-ov 6078  df-oprab 6079  df-mpo 6080  df-1st 6364  df-2nd 6365  df-map 6914  df-top 15022  df-topon 15035  df-cn 15212  df-hmeo 15325

This theorem is referenced by:  hmeof1o  15333