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| Mirrors > Home > ILE Home > Th. List > endom | GIF version | ||
| Description: Equinumerosity implies dominance. Theorem 15 of [Suppes] p. 94. (Contributed by NM, 28-May-1998.) |
| Ref | Expression |
|---|---|
| endom | ⊢ (𝐴 ≈ 𝐵 → 𝐴 ≼ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | enssdom 7016 | . 2 ⊢ ≈ ⊆ ≼ | |
| 2 | 1 | ssbri 4160 | 1 ⊢ (𝐴 ≈ 𝐵 → 𝐴 ≼ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 class class class wbr 4115 ≈ cen 6988 ≼ cdom 6989 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4234 ax-pow 4293 ax-pr 4328 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-pw 3677 df-sn 3701 df-pr 3702 df-op 3704 df-br 4116 df-opab 4178 df-xp 4762 df-rel 4763 df-f1o 5366 df-en 6991 df-dom 6992 |
| This theorem is referenced by: domrefg 7021 endomtr 7045 domentr 7046 rex2dom 7078 nnct 10826 hashennnuni 11172 ctinf 13271 umgrislfupgrenlem 16257 umgrislfupgrdom 16258 usgrislfuspgrdom 16317 |
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