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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 7891. (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 7891 | . 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 4583 ≈ cen 7838 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-er 7629 df-en 7842 |
This theorem is referenced by: f1imaeng 7902 f1imaen2g 7903 en2sn 7922 xpdom3 7943 omxpen 7947 mapdom2 8016 mapdom3 8017 limensuci 8021 phplem4 8027 php 8029 unxpdom2 8053 sucxpdom 8054 fiint 8122 marypha1lem 8222 infdifsn 8437 cnfcom2lem 8481 cardidm 8668 cardnueq0 8673 carden2a 8675 card1 8677 cardsdomel 8683 isinffi 8701 en2eqpr 8713 infxpenlem 8719 infxpidm2 8723 alephnbtwn2 8778 alephsucdom 8785 mappwen 8818 finnisoeu 8819 cdaen 8878 cda1en 8880 cdaassen 8887 xpcdaen 8888 infcda1 8898 pwcda1 8899 onacda 8902 cardacda 8903 cdanum 8904 ficardun 8907 pwsdompw 8909 infdif2 8915 infxp 8920 ackbij1lem5 8929 cfss 8970 ominf4 9017 isfin4-3 9020 fin23lem27 9033 alephsuc3 9281 canthp1lem1 9353 gchcda1 9357 gchinf 9358 pwfseqlem5 9364 pwcdandom 9368 gchcdaidm 9369 gchxpidm 9370 gchhar 9380 inttsk 9475 tskcard 9482 r1tskina 9483 tskuni 9484 hashkf 12981 fz1isolem 13102 isercolllem2 14244 summolem2a 14293 summolem2 14294 zsum 14296 prodmolem2a 14503 prodmolem2 14504 zprod 14506 4sqlem11 15497 mreexexd 16131 mreexexdOLD 16132 orbsta2 17570 psgnunilem1 17736 frlmisfrlm 20006 frlmiscvec 20007 ovoliunlem1 23077 rabfodom 28728 padct 28885 lindsdom 32573 matunitlindflem2 32576 heicant 32614 mblfinlem1 32616 eldioph2lem1 36341 isnumbasgrplem3 36694 fiuneneq 36794 enrelmap 37311 enmappw 37313 |
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