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| Mirrors > Home > ILE Home > Th. List > abbii | Unicode version | ||
| Description: Equivalent wff's yield equal class abstractions (inference form). (Contributed by NM, 5-Aug-1993.) |
| Ref | Expression |
|---|---|
| abbii.1 |
|
| Ref | Expression |
|---|---|
| abbii |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | abbibcom 2352 |
. 2
| |
| 2 | abbii.1 |
. 2
| |
| 3 | 1, 2 | mpgbi 1505 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 |
| This theorem is used by: rabswap 2731 rabbiia 2807 rabab 2843 csb2 3149 cbvcsbw 3151 cbvcsb 3152 csbid 3155 csbco 3157 csbcow 3158 cbvreucsf 3212 unrab 3504 inrab 3505 inrab2 3506 difrab 3507 rabun2 3512 dfnul4 3522 dfnul2 3523 dfnul3 3524 rab0 3551 rabsnifsb 3777 tprot 3804 pw0 3862 dfuni2 3937 unipr 3949 dfint2 3972 int0 3984 dfiunv2 4048 cbviun 4049 cbviin 4050 iunrab 4060 iunid 4068 viin 4072 cbvopab 4203 cbvopab1 4205 cbvopab2 4206 cbvopab1s 4207 cbvopab2v 4209 unopab 4211 iunopab 4426 abnex 4595 uniuni 4599 ruv 4699 rabxp 4814 dfdm3 4969 dfrn2 4970 dfrn3 4971 dfdm4 4975 dfdmf 4976 dmun 4990 dmopab 4994 dmopabss 4995 dmopab3 4996 dfrnf 5025 rnopab 5031 rnmpt 5032 dfima2 5131 dfima3 5132 imadmrn 5139 imai 5146 args 5159 mptpreima 5284 dfiota2 5341 cbviota 5345 cbviotavw 5346 sb8iota 5348 dffv4g 5695 dfimafn2 5755 fnasrn 5890 fnasrng 5892 dfimafnf 5958 elabrex 5966 elabrexg 5967 abrexco 5968 dfoprab2 6138 cbvoprab2 6164 dmoprab 6172 rnoprab 6174 rnoprab2 6175 fnrnov 6238 abrexex2g 6353 abrexex2 6357 abexssex 6358 abexex 6359 oprabrexex2 6367 dfopab2 6427 cnvoprab 6474 cnvimadfsn 6489 tfr1onlemaccex 6623 tfrcllemaccex 6636 tfrcldm 6638 frec0g 6672 frecsuc 6682 snec 6874 pmex 6931 fset0 6953 f1setexg 6955 dfixp 6986 cbvixp 7001 caucvgprprlemmu 8068 caucvgsr 8175 pitonnlem1 8218 hashf1lem2 11308 mertenslem2 12328 4sqlemafi 13203 dfrhm2 14570 toponsspwpwg 15248 tgval2 15277 2lgslem1b 16413 bdcuni 17107 bj-dfom 17164 |
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