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| Description: Inference from equality to equivalence of equalities. |
| Ref | Expression |
|---|---|
| eqeq2i.1 |
|
| Ref | Expression |
|---|---|
| eqeq2i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqeq2i.1 |
. 2
| |
| 2 | eqeq2 1730 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: eqeq12iOLD 1735 eqtri 1745 rabid2 2087 rabid2OLD 2088 dfss2 2443 ssequn1OLD 2606 preq12b 2976 preqsn 2979 pwexOLD 3303 opprc3 3358 opeqpr 3365 wefrc 3467 orddif 3575 onuninsuci 3732 funopg 4265 funimaexg 4306 fnressn 4623 fressnfv 4624 fvresex 4644 abrexexlem2 4646 fnoprv 4757 elxp6 4852 dfiota2 4901 dfrdg2 4952 rdgsucopab 4965 rdgsucopabn 4966 frsucopab 4973 eqerlem 5139 qsid 5171 ordtype 5501 rankr1 5594 ac6lem 5712 cardeq0 5778 card1 5779 cf0 5854 addcompr 6071 mulcompr 6073 axrnegex 6232 axrrecex 6233 mul0ori 6678 muleqadd 6685 dfnn2 6914 sqr00 7759 sqr2irrlem4 7772 cjrebi 7826 cjne0 7877 fsumser0fi 8056 fsumser1fi 8057 binomlem6 8126 reeff1o 8486 absefib 8545 efieq1re 8546 subtop 8711 sn0top 8712 ismet 8870 dfms2 8871 msflem 8875 oprcn 9050 fsumcnlem 9062 isgrp 9116 ringi 9261 vci 9294 spwval2 9791 sineq0re 9862 efifolem2 9872 efifolem6 9876 oprab2co 9954 fine 10006 fbunfip 10074 usinuniop 10133 chnlei 10833 h1de2ctlem 10903 cmcmlem 10959 cmcm2i 10961 cmbr2i 10964 osumcor2i 11017 pjss2i 11052 ho01i 11183 nmop0h 11345 pjclem1 11560 jplem1 11632 atabs2i 11766 cdj3lem3 11802 cdj3lem3b 11804 bnj141 12265 bnj168 12288 bnj922 12626 bnj927 12627 bnj1366 12883 bnj543 13061 cayleylem3 13435 mpteqi 13631 frsucopabn 13703 trcllem1 13725 islatalg 14257 rngapm 14456 com2i 14488 vri 14557 sbtpsines 14624 trhom 14697 altretop 14707 isalg 14750 algi 14756 dedi 14766 cati 14784 dualalg 14813 fictblem 15052 fictb 15053 ordtypeOLD 15064 dfcon2 15124 cnconn 15126 2ndcctbss 15160 neibastop2lem4 15204 fclsfnflim 15296 flimfnfcls 15297 opropabco 15394 fdc 15494 ismrer1 15706 phtpycom 15732 pcorevlem 15768 isdivrng1 15791 smprngpr 15882 hgralem 15974 elnev 16086 stb2xpl 16501 stb3xpl 16502 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 1143 ax-17 1155 ax-4 1157 ax-5o 1159 ax-ext 1702 |
| This theorem depends on definitions: df-bi 163 df-an 241 df-cleq 1714 |