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Mirrors > Home > MPE Home > Th. List > abbii | Structured version Visualization version GIF version |
Description: Equivalent wff's yield equal class abstractions (inference rule). (Contributed by NM, 26-May-1993.) |
Ref | Expression |
---|---|
abbii.1 | ⊢ (𝜑 ↔ 𝜓) |
Ref | Expression |
---|---|
abbii | ⊢ {𝑥 ∣ 𝜑} = {𝑥 ∣ 𝜓} |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | abbi 2724 | . 2 ⊢ (∀𝑥(𝜑 ↔ 𝜓) ↔ {𝑥 ∣ 𝜑} = {𝑥 ∣ 𝜓}) | |
2 | abbii.1 | . 2 ⊢ (𝜑 ↔ 𝜓) | |
3 | 1, 2 | mpgbi 1716 | 1 ⊢ {𝑥 ∣ 𝜑} = {𝑥 ∣ 𝜓} |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 195 = wceq 1475 {cab 2596 |
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-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 |
This theorem is referenced by: rabswap 3098 rabbiia 3161 rabab 3196 csb2 3501 cbvcsb 3504 csbid 3507 csbco 3509 cbvreucsf 3533 unrab 3857 inrab 3858 inrab2 3859 difrab 3860 rabun2 3865 dfnul3 3877 rab0OLD 3910 dfif2 4038 rabsnifsb 4201 tprot 4228 pw0 4283 pwpw0 4284 dfopif 4337 pwsn 4366 pwsnALT 4367 dfuni2 4374 unipr 4385 dfint2 4412 int0OLD 4426 rabasiun 4459 dfiunv2 4492 cbviun 4493 cbviin 4494 iunrab 4503 iunid 4511 viin 4515 iinuni 4545 cbvopab 4653 cbvopab1 4655 cbvopab2 4656 cbvopab1s 4657 cbvopab2v 4659 unopab 4660 zfrep4 4707 zfpair 4831 iunopab 4936 dfid3 4954 rabxp 5078 csbxp 5123 dfdm3 5232 dfrn2 5233 dfrn3 5234 dfdm4 5238 dfdmf 5239 csbdm 5240 dmun 5253 dmopab 5257 dmopabss 5258 dmopab3 5259 dfrnf 5285 rnopab 5291 rnmpt 5292 dfima2 5387 dfima3 5388 imadmrn 5395 imai 5397 args 5412 mptpreima 5545 dfiota2 5769 cbviota 5773 sb8iota 5775 mptfnf 5928 dffv4 6100 dfimafn2 6156 opabiotadm 6170 fndmin 6232 fnasrn 6317 elabrex 6405 abrexco 6406 dfoprab2 6599 cbvoprab2 6626 dmoprab 6639 rnoprab 6641 rnoprab2 6642 fnrnov 6705 uniuni 6865 zfrep6 7027 fvresex 7032 abrexex2g 7036 abrexex2 7040 abexssex 7041 abexex 7042 oprabrexex2 7049 dfopab2 7113 suppvalbr 7186 cnvimadfsn 7191 dfrecs3 7356 rdglem1 7398 snec 7697 pmex 7749 dfixp 7796 cbvixp 7811 marypha2lem4 8227 ruv 8390 tcsni 8502 scottexs 8633 scott0s 8634 kardex 8640 cardf2 8652 dfac3 8827 infmap2 8923 cf0 8956 cfval2 8965 isf33lem 9071 dffin1-5 9093 axdc2lem 9153 addcompr 9722 mulcompr 9724 dfnn3 10911 hashf1lem2 13097 prprrab 13112 cshwsexa 13421 trclun 13603 shftdm 13659 hashbc0 15547 lubfval 16801 glbfval 16814 oduglb 16962 odulub 16964 symgbas0 17637 pmtrprfvalrn 17731 efgval2 17960 dvdsrval 18468 dfrhm2 18540 tgval2 20571 tgdif0 20607 xkobval 21199 ustfn 21815 ustn0 21834 2lgslem1b 24917 2sq 24955 usgraop 25879 wwlknprop 26214 wwlknfi 26266 wlknwwlknvbij 26268 clwwlkvbij 26329 vdgrun 26428 vdgrfiun 26429 nmopnegi 28208 nmop0 28229 nmfn0 28230 foo3 28686 rabrab 28722 abrexdomjm 28729 abrexexd 28731 cbviunf 28755 dfimafnf 28817 ofpreima 28848 cnvoprab 28886 maprnin 28894 fpwrelmapffslem 28895 hasheuni 29474 sigaex 29499 sigaval 29500 isrnsigaOLD 29502 eulerpartlemt 29760 ballotlem2 29877 bnj1146 30116 bnj1400 30160 bnj882 30250 bnj893 30252 derang0 30405 subfaclefac 30412 dfon2lem7 30938 dfon2 30941 domep 30942 dfrdg2 30945 poseq 30994 soseq 30995 dfiota3 31200 fvline 31421 ellines 31429 bj-dfifc2 31734 bj-df-ifc 31735 bj-inrab 32115 bj-taginv 32167 bj-nuliotaALT 32211 bj-toponss 32241 rnmptsn 32358 dissneqlem 32363 dissneq 32364 dffinxpf 32398 rabiun 32552 ismblfin 32620 volsupnfl 32624 areacirclem5 32674 abrexdom 32695 sdclem1 32709 sdc 32710 psubspset 34048 pmapglb 34074 polval2N 34210 psubclsetN 34240 tendoset 35065 eq0rabdioph 36358 rexrabdioph 36376 eldioph4b 36393 hbtlem6 36718 dfid7 36938 clcnvlem 36949 dfrtrcl5 36955 relopabVD 38159 elabrexg 38229 dffo3f 38359 dfaimafn2 39895 rusgrprc 40790 rgrprcx 40792 wwlksnfi 41112 wlksnwwlknvbij 41114 clwwlksvbij 41229 dfconngr1 41355 isconngr 41356 isconngr1 41357 setrec2 42241 |
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