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| Description: Transitivity of equinumerosity and dominance. |
| Ref | Expression |
|---|---|
| endomtr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | domtr 4396 |
. 2
| |
| 2 | endom 4366 |
. 2
| |
| 3 | 1, 2 | sylan 448 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: undom 4418 xpdom1 4423 xpdom3 4425 ensdomtr 4451 domsdomtr 4456 domen1 4459 mapdom1 4472 mapdom2 4474 php 4493 onomeneq 4498 0sdom1dom 4504 isfinite1 4510 carddomi 4807 cdadom2 4906 xpnnen 7441 infxpidmlem1 7495 infdif 7511 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-9 962 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-rep 2683 ax-sep 2693 ax-pow 2732 ax-pr 2769 ax-un 2857 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-rex 1642 df-v 1803 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-nul 2271 df-pw 2392 df-sn 2402 df-pr 2403 df-op 2406 df-uni 2494 df-br 2610 df-opab 2657 df-id 2824 df-xp 3174 df-rel 3175 df-cnv 3176 df-co 3177 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 df-fun 3182 df-fn 3183 df-f 3184 df-f1 3185 df-fo 3186 df-f1o 3187 df-en 4351 df-dom 4352 |