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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 8967 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐹:𝐴–1-1-onto→𝐵) → 𝐴 ≈ 𝐵) | |
| 3 | 1, 2 | mpan 702 | 1 ⊢ (𝐹:𝐴–1-1-onto→𝐵 → 𝐴 ≈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2149 Vcvv 3463 class class class wbr 5113 –1-1-onto→wf1o 6536 ≈ cen 8940 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-en 8944 |
| This theorem is referenced by: mapfien2 9369 infxpenlem 9997 dfac8alem 10013 dfac12lem2 10128 dfac12lem3 10129 r1om 10226 axcc2lem 10420 summolem3 15765 summolem2 15767 zsum 15769 prodmolem3 15987 prodmolem2 15989 zprod 15991 cpnnen 16285 eulerthlem2 16841 hashgcdeq 16849 4sqlem11 17015 gicen 19348 odhash 19644 odhash2 19645 sylow1lem2 19669 sylow2blem1 19690 znhash 21677 wlkswwlksen 30170 wlknwwlksnen 30179 eupthfi 30497 numclwwlk1lem2 30652 ballotlemfrc 34862 ballotlem8 34872 erdszelem10 35591 poimirlem4 38163 poimirlem26 38185 poimirlem27 38186 pwfi2en 43716 gricen 48579 grlicen 48671 thincciso2 50118 termcterm2 50177 aacllem 50475 |
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