Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > rescnvcnv | Unicode version |
Description: The restriction of the double converse of a class. (Contributed by NM, 8-Apr-2007.) (Proof shortened by Andrew Salmon, 27-Aug-2011.) |
Ref | Expression |
---|---|
rescnvcnv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnvcnv2 4992 | . . 3 | |
2 | 1 | reseq1i 4815 | . 2 |
3 | resres 4831 | . 2 | |
4 | ssv 3119 | . . . 4 | |
5 | sseqin2 3295 | . . . 4 | |
6 | 4, 5 | mpbi 144 | . . 3 |
7 | 6 | reseq2i 4816 | . 2 |
8 | 2, 3, 7 | 3eqtri 2164 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1331 cvv 2686 cin 3070 wss 3071 ccnv 4538 cres 4541 |
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-v 2688 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-br 3930 df-opab 3990 df-xp 4545 df-rel 4546 df-cnv 4547 df-res 4551 |
This theorem is referenced by: cnvcnvres 5002 imacnvcnv 5003 resdm2 5029 resdmres 5030 coires1 5056 cocnvres 5063 f1oresrab 5585 |
Copyright terms: Public domain | W3C validator |