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Mirrors > Home > MPE Home > Th. List > f1oen | Structured version Visualization version GIF version |
Description: The domain and range of a one-to-one, onto function are equinumerous. (Contributed by NM, 19-Jun-1998.) |
Ref | Expression |
---|---|
f1oen.1 | ⊢ 𝐴 ∈ V |
Ref | Expression |
---|---|
f1oen | ⊢ (𝐹:𝐴–1-1-onto→𝐵 → 𝐴 ≈ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | f1oen.1 | . 2 ⊢ 𝐴 ∈ V | |
2 | f1oeng 8714 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐹:𝐴–1-1-onto→𝐵) → 𝐴 ≈ 𝐵) | |
3 | 1, 2 | mpan 686 | 1 ⊢ (𝐹:𝐴–1-1-onto→𝐵 → 𝐴 ≈ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2108 Vcvv 3422 class class class wbr 5070 –1-1-onto→wf1o 6417 ≈ cen 8688 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-en 8692 |
This theorem is referenced by: mapfien2 9098 infxpenlem 9700 dfac8alem 9716 dfac12lem2 9831 dfac12lem3 9832 r1om 9931 axcc2lem 10123 summolem3 15354 summolem2 15356 zsum 15358 prodmolem3 15571 prodmolem2 15573 zprod 15575 cpnnen 15866 eulerthlem2 16411 hashgcdeq 16418 4sqlem11 16584 gicen 18808 odhash 19094 odhash2 19095 sylow1lem2 19119 sylow2blem1 19140 znhash 20678 wlkswwlksen 28146 wlknwwlksnen 28155 eupthfi 28470 numclwwlk1lem2 28625 ballotlemfrc 32393 ballotlem8 32403 erdszelem10 33062 poimirlem4 35708 poimirlem26 35730 poimirlem27 35731 pwfi2en 40838 aacllem 46391 |
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