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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 8988 | . 2 ⊢ (𝐴 ≈ 𝐵 → 𝐴 ≼ 𝐵) | |
| 2 | domtr 9016 | . 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 5107 ≈ cen 8952 ≼ cdom 8953 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-pow 5334 ax-pr 5402 ax-un 7739 |
| 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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-f1o 6544 df-en 8956 df-dom 8957 |
| This theorem is used by: cnvct 9044 xpdom1g 9075 xpdom3 9076 domunsncan 9078 domsdomtr 9113 domen1 9120 mapdom1 9143 mapdom2 9149 mapdom3 9150 hartogslem1 9517 harcard 9986 infxpenlem 10019 infpwfien 10068 alephsucdom 10085 mappwen 10118 dfac12lem2 10150 djulepw 10198 fictb 10249 cfflb 10264 canthp1lem1 10664 pwfseqlem5 10675 pwxpndom2 10677 pwdjundom 10679 gchxpidm 10681 gchhar 10691 tskinf 10781 inar1 10787 gruina 10830 rexpen 16320 mreexdomd 17741 lindsdom 22064 hauspwdom 23728 rectbntr0 25060 rabfodom 32966 snct 33171 dya2iocct 34778 karddom 35674 finminlem 36924 iccioo01 38068 pibt2 38158 poimirlem26 38382 heiborlem3 38550 pellexlem4 43660 pellexlem5 43661 safesnsupfidom1o 44244 sn1dom 44353 mpct 46019 thincciso2 50368 aacllem 50759 |
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