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Mirrors > Home > MPE Home > Th. List > ixpexg | Unicode version |
Description: The existence of an infinite Cartesian product. is normally a free-variable parameter in . Remark in Enderton p. 54. (Contributed by NM, 28-Sep-2006.) (Revised by Mario Carneiro, 25-Jan-2015.) |
Ref | Expression |
---|---|
ixpexg |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uniixp 7512 | . . . 4 | |
2 | iunexg 6776 | . . . . 5 | |
3 | xpexg 6602 | . . . . 5 | |
4 | 2, 3 | syldan 470 | . . . 4 |
5 | ssexg 4598 | . . . 4 | |
6 | 1, 4, 5 | sylancr 663 | . . 3 |
7 | uniexb 6610 | . . 3 | |
8 | 6, 7 | sylibr 212 | . 2 |
9 | ixpprc 7510 | . . . 4 | |
10 | 0ex 4582 | . . . 4 | |
11 | 9, 10 | syl6eqel 2553 | . . 3 |
12 | 11 | adantr 465 | . 2 |
13 | 8, 12 | pm2.61ian 790 | 1 |
Colors of variables: wff setvar class |
Syntax hints: -. wn 3 -> wi 4
/\ wa 369 e. wcel 1818 A. wral 2807
cvv 3109
C_ wss 3475 c0 3784 U. cuni 4249 U_ ciun 4330
X. cxp 5002 X_ cixp 7489 |
This theorem is referenced by: konigthlem 8964 prdsbasex 14848 isfunc 15233 isnat 15316 natffn 15318 dmdprd 17029 dprdval 17034 dprdvalOLD 17036 elpt 20073 ptbasin2 20079 ptbasfi 20082 ptrest 30048 upixp 30220 |
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-rep 4563 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-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-reu 2814 df-rab 2816 df-v 3111 df-sbc 3328 df-csb 3435 df-dif 3478 df-un 3480 df-in 3482 df-ss 3489 df-nul 3785 df-if 3942 df-pw 4014 df-sn 4030 df-pr 4032 df-op 4036 df-uni 4250 df-iun 4332 df-br 4453 df-opab 4511 df-mpt 4512 df-id 4800 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-ixp 7490 |
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