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Mirrors > Home > MPE Home > Th. List > isacn | Structured version Visualization version Unicode version |
Description: The property of being a choice set of length . (Contributed by Mario Carneiro, 31-Aug-2015.) |
Ref | Expression |
---|---|
isacn | AC |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pweq 4161 | . . . . . . 7 | |
2 | 1 | difeq1d 3727 | . . . . . 6 |
3 | 2 | oveq1d 6665 | . . . . 5 |
4 | 3 | raleqdv 3144 | . . . 4 |
5 | 4 | anbi2d 740 | . . 3 |
6 | df-acn 8768 | . . 3 AC | |
7 | 5, 6 | elab2g 3353 | . 2 AC |
8 | elex 3212 | . . 3 | |
9 | biid 251 | . . . 4 | |
10 | 9 | baib 944 | . . 3 |
11 | 8, 10 | syl 17 | . 2 |
12 | 7, 11 | sylan9bb 736 | 1 AC |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wex 1704 wcel 1990 wral 2912 cvv 3200 cdif 3571 c0 3915 cpw 4158 csn 4177 cfv 5888 (class class class)co 6650 cmap 7857 AC wacn 8764 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-iota 5851 df-fv 5896 df-ov 6653 df-acn 8768 |
This theorem is referenced by: acni 8868 numacn 8872 finacn 8873 acndom 8874 acndom2 8877 acncc 9262 |
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