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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 3377 |
. 2
| |
| 3 | 1, 2 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 |
| This theorem is used by: ifeq2 3644 tpeq3 3799 iununir 4096 unisucg 4559 relcoi1 5319 resasplitss 5569 fvun1 5769 fmptapd 5906 fvunsng 5909 fnsnsplitss 5914 tfr1onlemaccex 6619 tfrcllemaccex 6632 rdgeq1 6642 rdgivallem 6652 rdgisuc1 6655 rdgon 6657 rdg0 6658 oav2 6736 oasuc 6737 omv2 6738 omsuc 6745 fnsnsplitdc 6778 unsnfidcex 7227 undifdc 7231 fiintim 7238 ssfirab 7244 fnfi 7250 fidcenumlemr 7272 sbthlemi5 7278 sbthlemi6 7279 pm54.43 7536 fzsuc 10475 fzspl 10476 fseq1p1m1 10501 fseq1m1p1 10502 fzosplitsnm1 10627 fzosplitsn 10651 fzosplitpr 10652 fzosplitprm1 10653 resunimafz0 11274 zfz1isolemsplit 11290 fsumm1 12183 fprodm1 12365 ballotfilemfp1 13231 ennnfonelemp1 13297 ennnfonelemhdmp1 13300 ennnfonelemkh 13303 ennnfonelemhf1o 13304 ennnfonelemnn0 13313 strsetsid 13385 setscom 13392 gsump1 14157 lspun0 14762 p1evtxdeqfilem 16552 clwwlknonex2lem1 16678 bj-charfundcALT 16835 |
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