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| Description: Equinumerosity implies dominance. Theorem 15 of [Suppes] p. 94. (Contributed by NM, 28-May-1998.) |
| Ref | Expression |
|---|---|
| endom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | enssdom 7054 |
. 2
| |
| 2 | 1 | ssbri 4176 |
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-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-br 4132 df-opab 4194 df-xp 4782 df-rel 4783 df-f1o 5387 df-en 7029 df-dom 7030 |
| This theorem is used by: domrefg 7059 endomtr 7083 domentr 7084 rex2dom 7116 nnct 10892 hashennnuni 11239 ctinf 13378 umgrislfupgrenlem 16593 umgrislfupgrdom 16594 usgrislfuspgrdom 16653 |
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