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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 3185 |
. 2
| |
| 3 | 1, 2 | syl 12 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: uniprg 3192 unisng 3194 unisn2 3799 unisn3 3800 ordunisuc 3911 ordunisucOLD 3912 orduniss2 3913 onsucuni2 3914 elxp4 4379 elxp5 4380 fvprc 4678 fveq1 4680 fveq2 4681 fvres 4691 funfv 4731 funfv2 4732 dffv2 4734 fvopabn 4749 fvopab5 4756 fvopab6 4757 fniunfv 4841 1stval 5022 2ndval 5023 fo1st 5032 fo2nd 5033 f1stres 5034 f2ndres 5035 1st2val 5038 2nd2val 5039 iotaeq 5093 iotabi 5094 uniabio 5095 iotanul 5098 onopriun 5118 tz7.44-3 5138 rdgeq1 5142 rdgeq2 5143 rdglem2 5146 rdglim 5156 rdglim2 5157 oaabs 5309 xpcomen 5498 xpassen 5500 xpdom2 5501 xpmapenlem2 5591 xpmapenlem4 5593 xpmapenlem5 5594 mapunen 5596 unifi 5648 supeq1 5665 ordtypelem1 5684 ordtypelem6 5689 ordtype 5691 hartog 5693 rankuni 5809 aceq6a 5903 kmlem9 5935 kmlem11 5937 kmlem12 5938 zorn2lem1 5950 zorn2 5958 dfinfmr 7276 infmsup 7277 supxrre 7292 flval 7464 reval 8005 imval 8006 sumeq1 8242 sumeq2 8245 dffsum 8258 dfisum 8452 isumval 8453 isumnul 8464 acdc3lem 8754 acdc3 8755 acdc2lem1 8757 acdc2 8759 acdc5lem1 8760 acdc5 8762 acdclem 8763 acdc 8764 xpnnen 8768 isbasisg 8880 basis1 8883 tgval 8886 eltg 8888 txuni 8935 ntrfval 8943 ntrval 8952 cncnplem4 9054 bcth 9310 gid0 9338 grpidvallem 9341 grpidval 9342 grpinvfval 9350 grpinvval 9351 addinv 9436 ajval 9863 isps 9988 spwval2 9996 spwval 10002 spwpr4 10006 spwpr4OLD 10007 spwpr4aOLD 10008 istoset 10209 fmbas 10311 isdir 10352 idrval 10374 pjmval 10871 pjval 10872 adjval 11451 adjval2 11452 cnlnadjlem4 11640 nmopadjlei 11658 cdj3lem2 12007 trcleq1 13926 trcleq2 13927 trcleq3 13928 fldsqcp2 14378 valfunun 14460 repfuntw 14502 isprs 14565 ubos2 14598 ubos 14599 supdef 14604 mxlelt2 14606 mxlelt 14607 mnlelt2 14608 isdir2 14640 rngunval2 14774 usptoplem 14917 istopx 14918 prtoptop 14919 usptop 14920 invtrgrp 14979 supexr 15043 dualalg 15131 vtarl 15264 ordtypelem1OLD 15375 ordtypelem6OLD 15380 ordtypeOLD 15382 hartogOLD 15384 compfipin0lem 15435 compfipin0 15436 alexsublem3 15439 isfne 15480 neibastop2lem1 15519 neibastop2lem4 15522 topmtcl 15525 tailf 15633 supeq2 15760 heiborlem8 15962 heiborlem11 15965 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-clab 1872 df-cleq 1877 df-clel 1880 df-rex 2110 df-uni 3178 |