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| Mirrors > Home > MPE Home > Th. List > endomtr | Structured version Visualization version GIF version | ||
| Description: Transitivity of equinumerosity and dominance. (Contributed by NM, 7-Jun-1998.) |
| Ref | Expression |
|---|---|
| endomtr | ⊢ ((𝐴 ≈ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | endom 8920 | . 2 ⊢ (𝐴 ≈ 𝐵 → 𝐴 ≼ 𝐵) | |
| 2 | domtr 8948 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan 587 | 1 ⊢ ((𝐴 ≈ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 397 class class class wbr 5075 ≈ cen 8884 ≼ cdom 8885 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-sep 5221 ax-pow 5297 ax-pr 5365 ax-un 7682 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ral 3056 df-rex 3066 df-rab 3394 df-v 3435 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-br 5076 df-opab 5138 df-id 5516 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-f1o 6496 df-en 8888 df-dom 8889 |
| This theorem is referenced by: cnvct 8975 xpdom1g 9006 xpdom3 9007 domunsncan 9009 domsdomtr 9044 domen1 9051 mapdom1 9074 mapdom2 9080 mapdom3 9081 hartogslem1 9451 harcard 9897 infxpenlem 9930 infpwfien 9979 alephsucdom 9996 mappwen 10029 dfac12lem2 10062 djulepw 10110 fictb 10161 cfflb 10176 canthp1lem1 10570 pwfseqlem5 10581 pwxpndom2 10583 pwdjundom 10585 gchxpidm 10587 gchhar 10597 tskinf 10687 inar1 10693 gruina 10736 rexpen 16190 mreexdomd 17610 hauspwdom 23488 rectbntr0 24820 rabfodom 32597 snct 32808 dya2iocct 34476 finminlem 36561 iccioo01 37704 pibt2 37794 lindsdom 37996 poimirlem26 38028 heiborlem3 38195 pellexlem4 43292 pellexlem5 43293 safesnsupfidom1o 43876 sn1dom 43985 mpct 45661 thincciso2 49959 aacllem 50305 |
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