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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 8918 | . 2 ⊢ (𝐴 ≈ 𝐵 → 𝐴 ≼ 𝐵) | |
| 2 | domtr 8946 | . 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 5097 ≈ cen 8882 ≼ cdom 8883 |
| 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 2183 ax-ext 2707 ax-sep 5240 ax-nul 5250 ax-pow 5309 ax-pr 5376 ax-un 7680 |
| 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 3051 df-rex 3060 df-rab 3399 df-v 3441 df-dif 3903 df-un 3905 df-in 3907 df-ss 3917 df-nul 4285 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-opab 5160 df-id 5518 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-fun 6493 df-fn 6494 df-f 6495 df-f1 6496 df-f1o 6498 df-en 8886 df-dom 8887 |
| This theorem is referenced by: cnvct 8973 xpdom1g 9004 xpdom3 9005 domunsncan 9007 domsdomtr 9042 domen1 9049 mapdom1 9072 mapdom2 9078 mapdom3 9079 hartogslem1 9449 harcard 9892 infxpenlem 9925 infpwfien 9974 alephsucdom 9991 mappwen 10024 dfac12lem2 10057 djulepw 10105 fictb 10156 cfflb 10171 canthp1lem1 10565 pwfseqlem5 10576 pwxpndom2 10578 pwdjundom 10580 gchxpidm 10582 gchhar 10592 tskinf 10682 inar1 10688 gruina 10731 rexpen 16155 mreexdomd 17574 hauspwdom 23447 rectbntr0 24779 rabfodom 32560 snct 32770 dya2iocct 34416 finminlem 36491 iccioo01 37501 pibt2 37591 lindsdom 37784 poimirlem26 37816 heiborlem3 37983 pellexlem4 43111 pellexlem5 43112 safesnsupfidom1o 43695 sn1dom 43804 mpct 45482 thincciso2 49737 aacllem 50083 |
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