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| Mirrors > Home > ILE Home > Th. List > uneq2d | Unicode version | ||
| Description: Deduction adding union to the left in a class equality. (Contributed by NM, 29-Mar-1998.) |
| Ref | Expression |
|---|---|
| uneq1d.1 |
|
| Ref | Expression |
|---|---|
| uneq2d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | uneq1d.1 |
. 2
| |
| 2 | uneq2 3369 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-v 2817 df-un 3217 |
| This theorem is referenced by: ifeq2 3628 tpeq3 3781 iununir 4077 unisucg 4537 relcoi1 5296 resasplitss 5546 fvun1 5745 fmptapd 5877 fvunsng 5880 fnsnsplitss 5885 tfr1onlemaccex 6581 tfrcllemaccex 6594 rdgeq1 6604 rdgivallem 6614 rdgisuc1 6617 rdgon 6619 rdg0 6620 oav2 6698 oasuc 6699 omv2 6700 omsuc 6707 fnsnsplitdc 6740 unsnfidcex 7182 undifdc 7186 fiintim 7193 ssfirab 7199 fnfi 7205 fidcenumlemr 7227 sbthlemi5 7233 sbthlemi6 7234 pm54.43 7489 fzsuc 10406 fzspl 10407 fseq1p1m1 10432 fseq1m1p1 10433 fzosplitsnm1 10558 fzosplitsn 10582 fzosplitpr 10583 fzosplitprm1 10584 resunimafz0 11202 zfz1isolemsplit 11214 fsumm1 12106 fprodm1 12288 ballotfilemfp1 13152 ennnfonelemp1 13174 ennnfonelemhdmp1 13177 ennnfonelemkh 13180 ennnfonelemhf1o 13181 ennnfonelemnn0 13190 strsetsid 13262 setscom 13269 lspun0 14590 p1evtxdeqfilem 16323 clwwlknonex2lem1 16449 bj-charfundcALT 16596 gfsump1 16885 |
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