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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 3357 |
. 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 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-v 2805 df-un 3205 |
| This theorem is referenced by: ifeq2 3613 tpeq3 3763 iununir 4059 unisucg 4517 relcoi1 5275 resasplitss 5524 fvun1 5721 fmptapd 5853 fvunsng 5856 fnsnsplitss 5861 tfr1onlemaccex 6557 tfrcllemaccex 6570 rdgeq1 6580 rdgivallem 6590 rdgisuc1 6593 rdgon 6595 rdg0 6596 oav2 6674 oasuc 6675 omv2 6676 omsuc 6683 fnsnsplitdc 6716 unsnfidcex 7155 undifdc 7159 fiintim 7166 ssfirab 7172 fnfi 7178 fidcenumlemr 7197 sbthlemi5 7203 sbthlemi6 7204 pm54.43 7455 fzsuc 10366 fseq1p1m1 10391 fseq1m1p1 10392 fzosplitsnm1 10517 fzosplitsn 10541 fzosplitpr 10542 fzosplitprm1 10543 resunimafz0 11158 zfz1isolemsplit 11165 fsumm1 12057 fprodm1 12239 ennnfonelemp1 13107 ennnfonelemhdmp1 13110 ennnfonelemkh 13113 ennnfonelemhf1o 13114 ennnfonelemnn0 13123 strsetsid 13195 setscom 13202 lspun0 14521 p1evtxdeqfilem 16252 clwwlknonex2lem1 16378 bj-charfundcALT 16525 gfsump1 16815 |
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