| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8974 | . 2 ⊢ (𝐴 ≈ 𝐵 → 𝐴 ≼ 𝐵) | |
| 2 | domtr 9002 | . 2 ⊢ ((𝐴 ≼ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) | |
| 3 | 1, 2 | sylan 591 | 1 ⊢ ((𝐴 ≈ 𝐵 ∧ 𝐵 ≼ 𝐶) → 𝐴 ≼ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 class class class wbr 5108 ≈ cen 8938 ≼ cdom 8939 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-pow 5335 ax-pr 5403 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 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 3416 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-opab 5173 df-id 5555 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-f1o 6543 df-en 8942 df-dom 8943 |
| This theorem is used by: cnvct 9029 xpdom1g 9060 xpdom3 9061 domunsncan 9063 domsdomtr 9098 domen1 9105 mapdom1 9128 mapdom2 9134 mapdom3 9135 hartogslem1 9502 harcard 9971 infxpenlem 10004 infpwfien 10053 alephsucdom 10070 mappwen 10103 dfac12lem2 10135 djulepw 10183 fictb 10234 cfflb 10249 canthp1lem1 10643 pwfseqlem5 10654 pwxpndom2 10656 pwdjundom 10658 gchxpidm 10660 gchhar 10670 tskinf 10760 inar1 10766 gruina 10809 rexpen 16290 mreexdomd 17711 hauspwdom 23669 rectbntr0 25001 rabfodom 32862 snct 33068 dya2iocct 34679 karddom 35582 finminlem 36857 iccioo01 38001 pibt2 38091 lindsdom 38293 poimirlem26 38325 heiborlem3 38492 pellexlem4 43587 pellexlem5 43588 safesnsupfidom1o 44171 sn1dom 44280 mpct 45946 thincciso2 50261 aacllem 50649 |
| Copyright terms: Public domain | W3C validator |