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Mirrors > Home > ILE Home > Th. List > un0mulcl | Unicode version |
Description: If is closed under multiplication, then so is . (Contributed by Mario Carneiro, 17-Jul-2014.) |
Ref | Expression |
---|---|
un0addcl.1 | |
un0addcl.2 | |
un0mulcl.3 |
Ref | Expression |
---|---|
un0mulcl |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | un0addcl.2 | . . . . 5 | |
2 | 1 | eleq2i 2206 | . . . 4 |
3 | elun 3217 | . . . 4 | |
4 | 2, 3 | bitri 183 | . . 3 |
5 | 1 | eleq2i 2206 | . . . . . 6 |
6 | elun 3217 | . . . . . 6 | |
7 | 5, 6 | bitri 183 | . . . . 5 |
8 | ssun1 3239 | . . . . . . . . 9 | |
9 | 8, 1 | sseqtrri 3132 | . . . . . . . 8 |
10 | un0mulcl.3 | . . . . . . . 8 | |
11 | 9, 10 | sseldi 3095 | . . . . . . 7 |
12 | 11 | expr 372 | . . . . . 6 |
13 | un0addcl.1 | . . . . . . . . . . 11 | |
14 | 13 | sselda 3097 | . . . . . . . . . 10 |
15 | 14 | mul02d 8154 | . . . . . . . . 9 |
16 | ssun2 3240 | . . . . . . . . . . 11 | |
17 | 16, 1 | sseqtrri 3132 | . . . . . . . . . 10 |
18 | c0ex 7760 | . . . . . . . . . . 11 | |
19 | 18 | snss 3649 | . . . . . . . . . 10 |
20 | 17, 19 | mpbir 145 | . . . . . . . . 9 |
21 | 15, 20 | eqeltrdi 2230 | . . . . . . . 8 |
22 | elsni 3545 | . . . . . . . . . 10 | |
23 | 22 | oveq1d 5789 | . . . . . . . . 9 |
24 | 23 | eleq1d 2208 | . . . . . . . 8 |
25 | 21, 24 | syl5ibrcom 156 | . . . . . . 7 |
26 | 25 | impancom 258 | . . . . . 6 |
27 | 12, 26 | jaodan 786 | . . . . 5 |
28 | 7, 27 | sylan2b 285 | . . . 4 |
29 | 0cnd 7759 | . . . . . . . . . . 11 | |
30 | 29 | snssd 3665 | . . . . . . . . . 10 |
31 | 13, 30 | unssd 3252 | . . . . . . . . 9 |
32 | 1, 31 | eqsstrid 3143 | . . . . . . . 8 |
33 | 32 | sselda 3097 | . . . . . . 7 |
34 | 33 | mul01d 8155 | . . . . . 6 |
35 | 34, 20 | eqeltrdi 2230 | . . . . 5 |
36 | elsni 3545 | . . . . . . 7 | |
37 | 36 | oveq2d 5790 | . . . . . 6 |
38 | 37 | eleq1d 2208 | . . . . 5 |
39 | 35, 38 | syl5ibrcom 156 | . . . 4 |
40 | 28, 39 | jaod 706 | . . 3 |
41 | 4, 40 | syl5bi 151 | . 2 |
42 | 41 | impr 376 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wo 697 wceq 1331 wcel 1480 cun 3069 wss 3071 csn 3527 (class class class)co 5774 cc 7618 cc0 7620 cmul 7625 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-setind 4452 ax-resscn 7712 ax-1cn 7713 ax-icn 7715 ax-addcl 7716 ax-addrcl 7717 ax-mulcl 7718 ax-addcom 7720 ax-mulcom 7721 ax-addass 7722 ax-distr 7724 ax-i2m1 7725 ax-0id 7728 ax-rnegex 7729 ax-cnre 7731 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-reu 2423 df-rab 2425 df-v 2688 df-sbc 2910 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-iota 5088 df-fun 5125 df-fv 5131 df-riota 5730 df-ov 5777 df-oprab 5778 df-mpo 5779 df-sub 7935 |
This theorem is referenced by: nn0mulcl 9013 |
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