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| Description: Equivalent wff's yield equal class abstractions (deduction rule). |
| Ref | Expression |
|---|---|
| abbidv.1 |
|
| Ref | Expression |
|---|---|
| abbidv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-17 970 |
. 2
| |
| 2 | abbidv.1 |
. 2
| |
| 3 | 1, 2 | abbid 1574 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: rabbidv 1803 hbsbc1gd 1980 hbsbcgd 1981 csbeq1 2000 csbcog 2004 csbconstgf 2007 csbabg 2040 difeq1 2150 difeq2 2151 ifeq1 2361 ifeq2 2362 pweq 2400 sneq 2414 rabsn 2442 unieq 2506 inteq 2532 iineq1 2572 iineq2 2575 dfiun2g 2582 csbopabg 2674 frirr 2920 fr2nr 2921 fr3nr 2922 dmsnop 3324 imasng 3420 fveq1 3718 fveq2 3719 fvres 3729 tz6.12-2 3734 fnrnfv 3754 dfimafn 3756 fnsnfv 3762 fvopabn 3781 fvopab5 3788 abrexexg 3856 rdgeq1 3929 rdgeq2 3930 rdglim2 3944 oarec 4189 qseq1 4281 qseq2 4282 mapvalg 4323 pmvalg 4324 ixpeq1 4346 pw2en 4435 karden 4709 aceq3lem 4715 aceq6a 4724 zorn2lem1 4771 zorn2 4779 cardval 4809 cfval 4889 genpv 5085 seq1lem1 6259 iooval2t 6317 limsupvalt 6474 sumeq1 6935 sumeq2 6938 dfisum 7144 isumvalt 7145 cncfval 7216 infmap2 7541 tgvalt 7576 cldval 7626 neifval 7674 neival 7677 lpfval 7702 lpval 7703 opnfval 7819 caufval 7888 lnoval 8375 nmofval 8385 nmoval 8386 nmo0 8411 avril1 8739 pjmvalt 9193 nmopvalt 9739 nmfnvalt 9760 adjvalt 9771 adjval2t 9772 elghomlem1 10338 fiv 10433 homeofval 10462 subsp 10488 qusp 10489 ishoma 10631 ishomb 10632 ismona 10651 isfuna 10664 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 961 ax-gen 962 ax-8 963 ax-10 965 ax-12 967 ax-17 970 ax-4 972 ax-5o 974 ax-6o 977 ax-9o 1122 ax-10o 1139 ax-16 1209 ax-11o 1217 ax-ext 1458 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 980 df-sb 1171 df-clab 1463 df-cleq 1468 df-clel 1471 |