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| Description: Transitivity of dominance and equinumerosity. |
| Ref | Expression |
|---|---|
| domentr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | domtr 3320 |
. 2
| |
| 2 | endom 3289 |
. 2
| |
| 3 | 1, 2 | sylan2 346 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: xpdom1 3346 domen2 3378 php 3409 carddomi 3641 unxpdom2 3651 sucxpdom 3652 cdadom2 3728 qnnen 4931 infxpidmlem1 4933 infxpidmlem11 4943 infxpidmlem12 4944 infunabs 4946 infcdaabs 4947 infdif 4948 infxpabs 4949 infmap1 4950 infmap2 4953 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-un 1076 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-eu 1009 df-mo 1010 df-clab 1093 df-cleq 1097 df-clel 1099 df-rex 1206 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-pw 1799 df-sn 1811 df-pr 1812 df-op 1815 df-uni 1920 df-br 2063 df-opab 2098 df-id 2125 df-xp 2424 df-rel 2425 df-cnv 2426 df-co 2427 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fun 2432 df-fn 2433 df-f 2434 df-f1 2435 df-fo 2436 df-f1o 2437 df-en 3274 df-dom 3275 |