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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 2510 |
. 2
| |
| 3 | 1, 2 | syl 10 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: uniprg 2516 unisng 2518 unisn2 2875 unisn3 2876 ordunisuc 3089 orduniss2 3090 elxp4 3453 elxp5 3454 fvprc 3721 fveq1 3723 fveq2 3724 fvres 3734 funfv 3770 funfv2 3771 fvopabn 3786 fvopab5 3793 fniunfv 3865 tz7.44-3 3930 rdgeq1 3934 rdgeq2 3935 rdglem2 3938 rdglimt 3948 rdglim2 3949 1stval 4081 2ndval 4082 fo1st 4091 fo2nd 4092 f1stres 4093 f2ndres 4094 1st2val 4095 2nd2val 4096 oaabs 4252 xpcomen 4439 xpassen 4441 xpdom2 4442 xpmapenlem2 4497 xpmapenlem4 4499 xpmapenlem5 4500 mapunen 4502 unifiOLD 4557 supeq1 4575 rankuni 4698 aceq6a 4741 kmlem9 4773 kmlem11 4775 kmlem12 4776 zorn2lem1 4788 zorn2 4796 subvalt 5357 divval 5704 dfinfmr 6067 infmsup 6068 supxrre 6083 flvalt 6225 revalt 6755 imvalt 6756 sumeq1 6982 sumeq2 6985 dffsum 6998 dfisum 7191 isumvalt 7192 isumnul 7203 acdc3lem 7486 acdc3 7487 acdc2lem1 7488 acdc2 7490 acdc5lem1 7491 acdc5 7493 acdclem 7494 acdc 7495 xpnnen 7499 isbasisg 7611 basis1t 7614 tgvalt 7616 eltgt 7618 ntrfval 7667 ntrval 7676 cncnplem4 7777 bcth 8032 grpidval 8058 grpinvfval 8066 grpinvval 8067 addinv 8128 isps 8645 spwval2 8653 spwval 8659 spwpr4OLD 8663 spwpr4aOLD 8664 pjmvalt 9238 pjvalt 9239 adjvalt 9814 adjval2t 9815 cnlnadjlem4 10003 nmopadjle 10021 cdj3lem2 10362 |
| 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 df-uni 2504 |