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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 9031 | . 2 ⊢ (𝐴 ≈ 𝐵 → 𝐴 ≼ 𝐵) | |
| 2 | domtr 9059 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan 592 | 1 ⊢ ((𝐴 ≈ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 class class class wbr 5106 ≈ cen 8995 ≼ cdom 8996 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-pow 5331 ax-pr 5395 ax-un 7772 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5171 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-f1o 6562 df-en 8999 df-dom 9000 |
| This theorem is used by: cnvct 9087 xpdom1g 9118 xpdom3 9119 domunsncan 9121 domsdomtr 9156 domen1 9163 mapdom1 9186 mapdom2 9192 mapdom3 9193 hartogslem1 9560 harcard 10083 infxpenlem 10116 infpwfien 10165 alephsucdom 10182 mappwen 10215 dfac12lem2 10247 djulepw 10295 fictb 10346 cfflb 10361 canthp1lem1 10761 pwfseqlem5 10772 pwxpndom2 10774 pwdjundom 10776 gchxpidm 10778 gchhar 10788 tskinf 10878 inar1 10884 gruina 10927 rexpen 16422 mreexdomd 17849 lindsdom 22183 hauspwdom 23847 rectbntr0 25179 rabfodom 33170 snct 33373 dya2iocct 34979 soinfdom 35797 dfac16 35845 karddom 35928 j0ltalephlem 36006 finminlem 37283 iccioo01 38441 pibt2 38531 poimirlem26 38755 heiborlem3 38938 pellexlem4 44030 pellexlem5 44031 safesnsupfidom1o 44608 sn1dom 44717 mpct 46418 thincciso2 50793 aacllem 51217 |
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