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Mirrors > Home > ILE Home > Th. List > isstructr | Unicode version |
Description: The property of being a structure with components in . (Contributed by Mario Carneiro, 29-Aug-2015.) (Revised by Jim Kingdon, 18-Jan-2023.) |
Ref | Expression |
---|---|
isstructr | Struct |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brinxp2 4606 | . . . 4 | |
2 | df-br 3930 | . . . 4 | |
3 | 1, 2 | sylbb1 136 | . . 3 |
4 | 3 | adantr 274 | . 2 |
5 | simpr1 987 | . 2 | |
6 | simpr2 988 | . 2 | |
7 | df-ov 5777 | . . . . . 6 | |
8 | 7 | sseq2i 3124 | . . . . 5 |
9 | 8 | biimpi 119 | . . . 4 |
10 | 9 | 3ad2ant3 1004 | . . 3 |
11 | 10 | adantl 275 | . 2 |
12 | isstruct2r 11970 | . 2 Struct | |
13 | 4, 5, 6, 11, 12 | syl22anc 1217 | 1 Struct |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 w3a 962 wcel 1480 cdif 3068 cin 3070 wss 3071 c0 3363 csn 3527 cop 3530 class class class wbr 3929 cxp 4537 cdm 4539 wfun 5117 cfv 5123 (class class class)co 5774 cle 7801 cn 8720 cfz 9790 Struct cstr 11955 |
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-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 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 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-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 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-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-iota 5088 df-fun 5125 df-fv 5131 df-ov 5777 df-struct 11961 |
This theorem is referenced by: strleund 12047 strleun 12048 strle1g 12049 |
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