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| Description: Transitivity of equinumerosity and dominance. |
| Ref | Expression |
|---|---|
| endomtr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | domtr 4405 |
. 2
| |
| 2 | endom 4375 |
. 2
| |
| 3 | 1, 2 | sylan 448 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: undom 4427 xpdom1 4432 xpdom3 4434 ensdomtr 4460 domsdomtr 4465 domen1 4468 mapdom1 4481 mapdom2 4483 php 4502 onomeneq 4507 0sdom1dom 4513 isfinite1 4519 carddomi 4818 cdadom2 4917 xpnnen 7458 infxpidmlem1 7512 infdif 7528 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 961 ax-gen 962 ax-8 963 ax-9 964 ax-10 965 ax-11 966 ax-12 967 ax-13 968 ax-14 969 ax-17 970 ax-4 972 ax-5o 974 ax-6o 977 ax-9o 1122 ax-10o 1139 ax-16 1209 ax-11o 1217 ax-ext 1458 ax-rep 2689 ax-sep 2699 ax-pow 2738 ax-pr 2775 ax-un 2862 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 980 df-sb 1171 df-eu 1381 df-mo 1382 df-clab 1463 df-cleq 1468 df-clel 1471 df-ne 1585 df-rex 1648 df-v 1809 df-dif 2046 df-un 2047 df-in 2048 df-ss 2050 df-nul 2278 df-pw 2399 df-sn 2409 df-pr 2410 df-op 2413 df-uni 2500 df-br 2616 df-opab 2663 df-id 2831 df-xp 3180 df-rel 3181 df-cnv 3182 df-co 3183 df-dm 3184 df-rn 3185 df-res 3186 df-ima 3187 df-fun 3188 df-fn 3189 df-f 3190 df-f1 3191 df-fo 3192 df-f1o 3193 df-en 4360 df-dom 4361 |