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| Mirrors > Home > ILE Home > Th. List > cnvex | Unicode version | ||
| Description: The converse of a set is a set. Corollary 6.8(1) of [TakeutiZaring] p. 26. (Contributed by NM, 19-Dec-2003.) |
| Ref | Expression |
|---|---|
| cnvex.1 |
|
| Ref | Expression |
|---|---|
| cnvex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnvex.1 |
. 2
| |
| 2 | cnvexg 5273 |
. 2
| |
| 3 | 1, 2 | ax-mp 5 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-sep 4206 ax-pow 4263 ax-pr 4298 ax-un 4529 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ral 2514 df-rex 2515 df-v 2803 df-un 3203 df-in 3205 df-ss 3212 df-pw 3653 df-sn 3674 df-pr 3675 df-op 3677 df-uni 3893 df-br 4088 df-opab 4150 df-xp 4730 df-rel 4731 df-cnv 4732 df-dm 4734 df-rn 4735 |
| This theorem is referenced by: funcnvuni 5398 brtpos2 6419 xpcomco 7012 pw2f1odc 7023 ssenen 7039 sbthlemi10 7167 exmidfodomrlemim 7414 frecfzennn 10691 hashfacen 11103 nninfct 12632 ctinfom 13069 domomsubct 16660 |
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