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Mirrors > Home > MPE Home > Th. List > ensymd | Structured version Visualization version GIF version |
Description: Symmetry of equinumerosity. Deduction form of ensym 8541. (Contributed by David Moews, 1-May-2017.) |
Ref | Expression |
---|---|
ensymd.1 | ⊢ (𝜑 → 𝐴 ≈ 𝐵) |
Ref | Expression |
---|---|
ensymd | ⊢ (𝜑 → 𝐵 ≈ 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ensymd.1 | . 2 ⊢ (𝜑 → 𝐴 ≈ 𝐵) | |
2 | ensym 8541 | . 2 ⊢ (𝐴 ≈ 𝐵 → 𝐵 ≈ 𝐴) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → 𝐵 ≈ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 class class class wbr 5030 ≈ cen 8489 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-er 8272 df-en 8493 |
This theorem is referenced by: f1imaeng 8552 f1imaen2g 8553 en2sn 8576 xpdom3 8598 omxpen 8602 mapdom2 8672 mapdom3 8673 limensuci 8677 phplem4 8683 php 8685 unxpdom2 8710 sucxpdom 8711 fiint 8779 marypha1lem 8881 infdifsn 9104 cnfcom2lem 9148 cardidm 9372 cardnueq0 9377 carden2a 9379 card1 9381 cardsdomel 9387 isinffi 9405 en2eqpr 9418 infxpenlem 9424 infxpidm2 9428 alephnbtwn2 9483 alephsucdom 9490 mappwen 9523 finnisoeu 9524 djuen 9580 dju1en 9582 djuassen 9589 xpdjuen 9590 infdju1 9600 pwdju1 9601 onadju 9604 cardadju 9605 djunum 9606 nnadju 9608 ficardadju 9610 ficardun 9611 ficardunOLD 9612 pwsdompw 9615 infdif2 9621 infxp 9626 ackbij1lem5 9635 cfss 9676 ominf4 9723 isfin4p1 9726 fin23lem27 9739 alephsuc3 9991 canthp1lem1 10063 canthp1lem2 10064 gchdju1 10067 gchinf 10068 pwfseqlem5 10074 pwdjundom 10078 gchdjuidm 10079 gchxpidm 10080 gchhar 10090 inttsk 10185 tskcard 10192 r1tskina 10193 tskuni 10194 hashkf 13688 fz1isolem 13815 isercolllem2 15014 summolem2 15065 zsum 15067 prodmolem2 15281 zprod 15283 4sqlem11 16281 mreexexd 16911 psgnunilem1 18613 simpgnsgd 19215 frlmisfrlm 20537 frlmiscvec 20538 ovoliunlem1 24106 rabfodom 30274 unidifsnel 30307 unidifsnne 30308 fnpreimac 30434 padct 30481 lindsdom 35051 matunitlindflem2 35054 heicant 35092 mblfinlem1 35094 eldioph2lem1 39701 isnumbasgrplem3 40049 fiuneneq 40141 harval3 40244 enrelmap 40698 enmappw 40700 |
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