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Mirrors > Home > ILE Home > Th. List > structcnvcnv | Unicode version |
Description: Two ways to express the relational part of a structure. (Contributed by Mario Carneiro, 29-Aug-2015.) |
Ref | Expression |
---|---|
structcnvcnv | Struct |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0nelxp 4567 | . . . . . 6 | |
2 | cnvcnv 4991 | . . . . . . . 8 | |
3 | inss2 3297 | . . . . . . . 8 | |
4 | 2, 3 | eqsstri 3129 | . . . . . . 7 |
5 | 4 | sseli 3093 | . . . . . 6 |
6 | 1, 5 | mto 651 | . . . . 5 |
7 | disjsn 3585 | . . . . 5 | |
8 | 6, 7 | mpbir 145 | . . . 4 |
9 | cnvcnvss 4993 | . . . . 5 | |
10 | reldisj 3414 | . . . . 5 | |
11 | 9, 10 | ax-mp 5 | . . . 4 |
12 | 8, 11 | mpbi 144 | . . 3 |
13 | 12 | a1i 9 | . 2 Struct |
14 | structn0fun 11975 | . . . . 5 Struct | |
15 | funrel 5140 | . . . . 5 | |
16 | 14, 15 | syl 14 | . . . 4 Struct |
17 | dfrel2 4989 | . . . 4 | |
18 | 16, 17 | sylib 121 | . . 3 Struct |
19 | difss 3202 | . . . 4 | |
20 | cnvss 4712 | . . . 4 | |
21 | cnvss 4712 | . . . 4 | |
22 | 19, 20, 21 | mp2b 8 | . . 3 |
23 | 18, 22 | eqsstrrdi 3150 | . 2 Struct |
24 | 13, 23 | eqssd 3114 | 1 Struct |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wb 104 wceq 1331 wcel 1480 cvv 2686 cdif 3068 cin 3070 wss 3071 c0 3363 csn 3527 class class class wbr 3929 cxp 4537 ccnv 4538 wrel 4544 wfun 5117 Struct cstr 11958 |
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 |
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-rab 2425 df-v 2688 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-nul 3364 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-struct 11964 |
This theorem is referenced by: structfung 11979 |
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