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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 8915 | . 2 ⊢ (𝐴 ≈ 𝐵 → 𝐴 ≼ 𝐵) | |
| 2 | domtr 8943 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan 581 | 1 ⊢ ((𝐴 ≈ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 class class class wbr 5074 ≈ cen 8879 ≼ cdom 8880 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2184 ax-ext 2707 ax-sep 5220 ax-pow 5296 ax-pr 5364 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ral 3050 df-rex 3060 df-rab 3388 df-v 3429 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4841 df-br 5075 df-opab 5137 df-id 5515 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-f1o 6494 df-en 8883 df-dom 8884 |
| This theorem is referenced by: cnvct 8970 xpdom1g 9001 xpdom3 9002 domunsncan 9004 domsdomtr 9039 domen1 9046 mapdom1 9069 mapdom2 9075 mapdom3 9076 hartogslem1 9446 harcard 9891 infxpenlem 9924 infpwfien 9973 alephsucdom 9990 mappwen 10023 dfac12lem2 10056 djulepw 10104 fictb 10155 cfflb 10170 canthp1lem1 10564 pwfseqlem5 10575 pwxpndom2 10577 pwdjundom 10579 gchxpidm 10581 gchhar 10591 tskinf 10681 inar1 10687 gruina 10730 rexpen 16184 mreexdomd 17604 hauspwdom 23454 rectbntr0 24786 rabfodom 32563 snct 32773 dya2iocct 34412 finminlem 36488 iccioo01 37631 pibt2 37721 lindsdom 37923 poimirlem26 37955 heiborlem3 38122 pellexlem4 43248 pellexlem5 43249 safesnsupfidom1o 43832 sn1dom 43941 mpct 45618 thincciso2 49918 aacllem 50264 |
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