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| Mirrors > Home > ILE Home > Th. List > unieqd | Unicode version | ||
| Description: Deduction of equality of two class unions. (Contributed by NM, 21-Apr-1995.) |
| Ref | Expression |
|---|---|
| unieqd.1 |
|
| Ref | Expression |
|---|---|
| unieqd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | unieqd.1 |
. 2
| |
| 2 | unieq 3902 |
. 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rex 2516 df-uni 3894 |
| This theorem is referenced by: uniprg 3908 unisng 3910 unisn3 4542 onsucuni2 4662 opswapg 5223 elxp4 5224 elxp5 5225 iotaeq 5295 iotabi 5296 uniabio 5297 funfvdm 5709 funfvdm2 5710 fvun1 5712 fniunfv 5903 funiunfvdm 5904 1stvalg 6305 2ndvalg 6306 fo1st 6320 fo2nd 6321 f1stres 6322 f2ndres 6323 2nd1st 6343 cnvf1olem 6389 brtpos2 6417 dftpos4 6429 tpostpos 6430 recseq 6472 tfrexlem 6500 ixpsnf1o 6905 xpcomco 7010 xpassen 7014 xpdom2 7015 supeq1 7185 supeq2 7188 supeq3 7189 supeq123d 7190 en2other2 7407 dfinfre 9136 hashinfom 11041 hashennn 11043 fsumcnv 12016 fprodcnv 12204 tgval 13363 ptex 13365 lssuni 14396 lspuni0 14457 lss0v 14463 zrhval 14650 zrhvalg 14651 zrhval2 14652 zrhpropd 14659 isbasisg 14787 basis1 14790 baspartn 14793 eltg 14795 ntrfval 14843 ntrval 14853 tgrest 14912 restuni2 14920 lmfval 14936 cnfval 14937 cnpfval 14938 txtopon 15005 txswaphmeolem 15063 peano4nninf 16659 |
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