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Mirrors > Home > ILE Home > Th. List > dmeq | Unicode version |
Description: Equality theorem for domain. (Contributed by NM, 11-Aug-1994.) |
Ref | Expression |
---|---|
dmeq |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmss 4733 | . . 3 | |
2 | dmss 4733 | . . 3 | |
3 | 1, 2 | anim12i 336 | . 2 |
4 | eqss 3107 | . 2 | |
5 | eqss 3107 | . 2 | |
6 | 3, 4, 5 | 3imtr4i 200 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1331 wss 3066 cdm 4534 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-v 2683 df-un 3070 df-in 3072 df-ss 3079 df-sn 3528 df-pr 3529 df-op 3531 df-br 3925 df-dm 4544 |
This theorem is referenced by: dmeqi 4735 dmeqd 4736 xpid11 4757 sqxpeq0 4957 fneq1 5206 eqfnfv2 5512 offval 5982 ofrfval 5983 offval3 6025 smoeq 6180 tfrlemi14d 6223 tfr1onlemres 6239 tfrcllemres 6252 rdgivallem 6271 rdgon 6276 rdg0 6277 frec0g 6287 freccllem 6292 frecfcllem 6294 frecsuclem 6296 frecsuc 6297 ereq1 6429 fundmeng 6694 acfun 7056 ccfunen 7072 ennnfonelemj0 11903 ennnfonelemg 11905 ennnfonelemp1 11908 ennnfonelemom 11910 ennnfonelemnn0 11924 blfvalps 12543 reldvg 12806 |
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