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Mirrors > Home > MPE Home > Th. List > nfixp | Unicode version |
Description: Bound-variable hypothesis builder for indexed Cartesian product. (Contributed by Mario Carneiro, 15-Oct-2016.) |
Ref | Expression |
---|---|
nfixp.1 | |
nfixp.2 |
Ref | Expression |
---|---|
nfixp |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ixp 7490 | . 2 | |
2 | nfcv 2619 | . . . . 5 | |
3 | nftru 1626 | . . . . . . 7 | |
4 | nfcvf 2644 | . . . . . . . . 9 | |
5 | 4 | adantl 466 | . . . . . . . 8 |
6 | nfixp.1 | . . . . . . . . 9 | |
7 | 6 | a1i 11 | . . . . . . . 8 |
8 | 5, 7 | nfeld 2627 | . . . . . . 7 |
9 | 3, 8 | nfabd2 2640 | . . . . . 6 |
10 | 9 | trud 1404 | . . . . 5 |
11 | 2, 10 | nffn 5682 | . . . 4 |
12 | df-ral 2812 | . . . . 5 | |
13 | 2 | a1i 11 | . . . . . . . . . 10 |
14 | 13, 5 | nffvd 5880 | . . . . . . . . 9 |
15 | nfixp.2 | . . . . . . . . . 10 | |
16 | 15 | a1i 11 | . . . . . . . . 9 |
17 | 14, 16 | nfeld 2627 | . . . . . . . 8 |
18 | 8, 17 | nfimd 1917 | . . . . . . 7 |
19 | 3, 18 | nfald2 2073 | . . . . . 6 |
20 | 19 | trud 1404 | . . . . 5 |
21 | 12, 20 | nfxfr 1645 | . . . 4 |
22 | 11, 21 | nfan 1928 | . . 3 |
23 | 22 | nfab 2623 | . 2 |
24 | 1, 23 | nfcxfr 2617 | 1 |
Colors of variables: wff setvar class |
Syntax hints: -. wn 3 -> wi 4
/\ wa 369 A. wal 1393 wtru 1396 F/ wnf 1616 e. wcel 1818
{ cab 2442 F/_ wnfc 2605 A. wral 2807
Fn wfn 5588 ` cfv 5593 X_ cixp 7489 |
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-10 1837 ax-11 1842 ax-12 1854 ax-13 1999 ax-ext 2435 |
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-clab 2443 df-cleq 2449 df-clel 2452 df-nfc 2607 df-ral 2812 df-rex 2813 df-rab 2816 df-v 3111 df-dif 3478 df-un 3480 df-in 3482 df-ss 3489 df-nul 3785 df-if 3942 df-sn 4030 df-pr 4032 df-op 4036 df-uni 4250 df-br 4453 df-opab 4511 df-rel 5011 df-cnv 5012 df-co 5013 df-dm 5014 df-iota 5556 df-fun 5595 df-fn 5596 df-fv 5601 df-ixp 7490 |
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