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Mirrors > Home > MPE Home > Th. List > isfin5-2 | Unicode version |
Description: Alternate definition of V-finite which emphasizes the idempotent behavior of V-infinite sets. (Contributed by Stefan O'Rear, 30-Oct-2014.) (Revised by Mario Carneiro, 17-May-2015.) |
Ref | Expression |
---|---|
isfin5-2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nne 2658 | . . . . 5 | |
2 | 1 | bicomi 202 | . . . 4 |
3 | 2 | a1i 11 | . . 3 |
4 | cdadom3 8589 | . . . . 5 | |
5 | 4 | anidms 645 | . . . 4 |
6 | brsdom 7558 | . . . . 5 | |
7 | 6 | baib 903 | . . . 4 |
8 | 5, 7 | syl 16 | . . 3 |
9 | 3, 8 | orbi12d 709 | . 2 |
10 | isfin5 8700 | . 2 | |
11 | ianor 488 | . 2 | |
12 | 9, 10, 11 | 3bitr4g 288 | 1 |
Colors of variables: wff setvar class |
Syntax hints: -. wn 3 -> wi 4
<-> wb 184 \/ wo 368 /\ wa 369
= wceq 1395 e. wcel 1818 =/= wne 2652
c0 3784 class class class wbr 4452
(class class class)co 6296 cen 7533 cdom 7534 csdm 7535 ccda 8568
cfin5 8683 |
This theorem is referenced by: fin45 8793 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1618 ax-4 1631 ax-5 1704 ax-6 1747 ax-7 1790 ax-8 1820 ax-9 1822 ax-10 1837 ax-11 1842 ax-12 1854 ax-13 1999 ax-ext 2435 ax-sep 4573 ax-nul 4581 ax-pow 4630 ax-pr 4691 ax-un 6592 |
This theorem depends on definitions: df-bi 185 df-or 370 df-an 371 df-3or 974 df-3an 975 df-tru 1398 df-ex 1613 df-nf 1617 df-sb 1740 df-eu 2286 df-mo 2287 df-clab 2443 df-cleq 2449 df-clel 2452 df-nfc 2607 df-ne 2654 df-ral 2812 df-rex 2813 df-rab 2816 df-v 3111 df-sbc 3328 df-dif 3478 df-un 3480 df-in 3482 df-ss 3489 df-pss 3491 df-nul 3785 df-if 3942 df-pw 4014 df-sn 4030 df-pr 4032 df-tp 4034 df-op 4036 df-uni 4250 df-int 4287 df-br 4453 df-opab 4511 df-mpt 4512 df-tr 4546 df-eprel 4796 df-id 4800 df-po 4805 df-so 4806 df-fr 4843 df-we 4845 df-ord 4886 df-on 4887 df-suc 4889 df-xp 5010 df-rel 5011 df-cnv 5012 df-co 5013 df-dm 5014 df-rn 5015 df-res 5016 df-ima 5017 df-iota 5556 df-fun 5595 df-fn 5596 df-f 5597 df-f1 5598 df-fo 5599 df-f1o 5600 df-fv 5601 df-ov 6299 df-oprab 6300 df-mpt2 6301 df-1o 7149 df-er 7330 df-en 7537 df-dom 7538 df-sdom 7539 df-cda 8569 df-fin5 8690 |
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