| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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⟶1-1onto𝐵 → 𝐴 ≈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | f1oen.1 | . 2 ⊢ 𝐴 ∈ V | |
| 2 | f1oeng 9035 | . 2 ⊢ ((𝐴 ∈ V ∧ 𝐹:𝐴⟶1-1onto𝐵) → 𝐴 ≈ 𝐵) | |
| 3 | 1, 2 | mpan 703 | 1 ⊢ (𝐹:𝐴⟶1-1onto𝐵 → 𝐴 ≈ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2147 Vcvv 3454 class class class wbr 5108 ⟶1-1ontowf1o 6565 ≈ cen 9008 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-en 9012 |
| This theorem is used by: mapfien2 9438 infxpenlem 10131 dfac8alem 10147 dfac12lem2 10262 dfac12lem3 10263 hfom 10360 axcc2lem 10553 summolem3 15924 summolem2 15926 zsum 15928 prodmolem3 16144 prodmolem2 16146 zprod 16148 cpnnen 16441 eulerthlem2 17003 hashgcdeq 17011 4sqlem11 17177 gicen 19543 odhash 19839 odhash2 19840 sylow1lem2 19864 sylow2blem1 19885 znhash 21919 wlkswwlksen 30526 wlknwwlksnen 30535 eupthfi 30863 numclwwlk1lem2 31018 ballotlemfrc 35270 ballotlem8 35280 erdszelem10 36173 poimirlem4 38810 poimirlem26 38832 poimirlem27 38833 pwfi2en 44365 gricen 49296 grlicen 49388 thincciso2 50921 termcterm2 50980 aacllem 51367 |
| Copyright terms: Public domain | W3C validator |