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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 4561 relcoi1 5322 resasplitss 5572 fvun1 5772 fmptapd 5909 fvunsng 5912 fnsnsplitss 5917 tfr1onlemaccex 6623 tfrcllemaccex 6636 rdgeq1 6646 rdgivallem 6656 rdgisuc1 6659 rdgon 6661 rdg0 6662 oav2 6740 oasuc 6741 omv2 6742 omsuc 6749 fnsnsplitdc 6782 unsnfidcex 7231 undifdc 7235 fiintim 7242 ssfirab 7248 fnfi 7254 fidcenumlemr 7277 sbthlemi5 7283 sbthlemi6 7284 pm54.43 7542 fzsuc 10492 fzspl 10493 fseq1p1m1 10518 fseq1m1p1 10519 fzosplitsnm1 10644 fzosplitsn 10668 fzosplitpr 10669 fzosplitprm1 10670 resunimafz0 11296 zfz1isolemsplit 11312 fsumm1 12208 fprodm1 12390 ballotfilemfp1 13289 ennnfonelemp1 13355 ennnfonelemhdmp1 13358 ennnfonelemkh 13361 ennnfonelemhf1o 13362 ennnfonelemnn0 13371 strsetsid 13443 setscom 13450 gsump1 14247 gsummptfidmsplit 14254 gsumresfi 14263 lspun0 14871 ppiprm 16259 chtprm 16261 p1evtxdeqfilem 16757 clwwlknonex2lem1 16883 bj-charfundcALT 17040 |
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