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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-17 971 |
. 2
| |
| 2 | abbidv.1 |
. 2
| |
| 3 | 1, 2 | abbid 1576 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: rabbidv 1806 hbsbc1gd 1983 hbsbcgd 1984 csbeq1 2003 csbcog 2007 csbconstgf 2010 csbabg 2043 difeq1 2153 difeq2 2154 ifeq1 2364 ifeq2 2365 pweq 2403 sneq 2417 rabsn 2445 unieq 2510 inteq 2536 iineq1 2576 iineq2 2579 dfiun2g 2586 csbopabg 2678 frirr 2924 fr2nr 2925 fr3nr 2926 dmsnop 3328 imasng 3424 fveq1 3723 fveq2 3724 fvres 3734 tz6.12-2 3739 fnrnfv 3759 dfimafn 3761 fnsnfv 3767 fvopabn 3786 fvopab5 3793 abrexexg 3861 rdgeq1 3934 rdgeq2 3935 rdglim2 3949 oarec 4196 qseq1 4288 qseq2 4289 mapvalg 4330 pmvalg 4331 ixpeq1 4353 pw2en 4446 karden 4726 aceq3lem 4732 aceq6a 4741 zorn2lem1 4788 zorn2 4796 cardval 4826 cfval 4906 genpv 5102 seq1lem1 6309 iooval2t 6367 limsupvalt 6529 sumeq1 6982 sumeq2 6985 dfisum 7191 isumvalt 7192 cncfval 7264 infmap2 7581 tgvalt 7616 cldval 7666 neifval 7714 neival 7717 lpfval 7742 lpval 7743 opnfval 7857 caufval 7926 lnoval 8413 nmofval 8425 nmoval 8426 nmo0 8451 avril1 8784 pjmvalt 9238 nmopvalt 9782 nmfnvalt 9803 adjvalt 9814 adjval2t 9815 elghomlem1 10382 fiv 10482 fivOLD 10483 homeofval 10516 subsp 10554 qusp 10555 ishoma 10715 ishomb 10716 ismona 10737 isepia 10747 isfuna 10754 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-12 968 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 981 df-sb 1172 df-clab 1464 df-cleq 1469 df-clel 1472 |