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| Description: Deduction of equality of two class unions. |
| Ref | Expression |
|---|---|
| unieqd.1 |
|
| Ref | Expression |
|---|---|
| unieqd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | unieqd.1 |
. 2
| |
| 2 | unieq 2505 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: uniprg 2511 unisng 2513 unisn2 2870 unisn3 2871 ordunisuc 3084 orduniss2 3085 elxp4 3445 elxp5 3446 fvprc 3712 fveq1 3714 fveq2 3715 fvres 3725 funfv 3761 funfv2 3762 fvopabn 3777 fvopab5 3784 fniunfv 3856 tz7.44-3 3921 rdgeq1 3925 rdgeq2 3926 rdglem2 3929 rdglimt 3939 rdglim2 3940 1stval 4071 2ndval 4072 fo1st 4081 fo2nd 4082 f1stres 4083 f2ndres 4084 1st2val 4085 2nd2val 4086 oaabs 4242 xpcomen 4425 xpassen 4427 xpdom2 4428 xpmapenlem2 4483 xpmapenlem4 4485 xpmapenlem5 4486 mapunen 4488 unifi 4538 supeq1 4555 rankuni 4678 aceq6a 4721 kmlem9 4753 kmlem11 4755 kmlem12 4756 zorn2lem1 4768 zorn2 4776 subvalt 5337 divval 5681 dfinfmr 6022 infmsup 6023 supxrre 6038 flvalt 6181 revalt 6694 imvalt 6695 sumeq1 6928 sumeq2 6931 dffsum 6944 dfisum 7135 isumvalt 7136 isumnul 7146 acdc3lem 7436 acdc3 7437 acdc2lem1 7438 acdc2 7440 acdc5lem1 7441 acdc5 7443 acdclem 7444 acdc 7445 xpnnen 7449 isbasisg 7561 basis1t 7564 tgvalt 7566 eltgt 7568 ntrfval 7617 ntrval 7626 cncnplem4 7727 bcth 7982 grpidval 8008 grpinvfval 8016 grpinvval 8017 addinv 8080 isps 8588 spwval2 8595 spwval 8600 pjmvalt 9176 pjvalt 9177 adjvalt 9754 adjval2t 9755 cnlnadjlem4 9941 nmopadjle 9959 cdj3lem2 10296 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-10 964 ax-12 966 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 979 df-sb 1170 df-clab 1462 df-cleq 1467 df-clel 1470 df-uni 2499 |