| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > brcnvg | Unicode version | ||
| Description: The converse of a binary relation swaps arguments. Theorem 11 of [Suppes] p. 61. (Contributed by NM, 10-Oct-2005.) |
| Ref | Expression |
|---|---|
| brcnvg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opelcnvg 4962 |
. 2
| |
| 2 | df-br 4132 |
. 2
| |
| 3 | df-br 4132 |
. 2
| |
| 4 | 1, 2, 3 | 3bitr4g 223 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-br 4132 df-opab 4194 df-cnv 4784 |
| This theorem is used by: brcnv 4965 brelrng 5015 eliniseg 5160 relbrcnvg 5169 brcodir 5178 sefvex 5719 foeqcnvco 5999 isocnv2 6021 ersym 6823 brdifun 6838 ecidg 6877 cnvti 7365 eqinfti 7366 inflbti 7370 infglbti 7371 negiso 9293 xrnegiso 12053 znleval 15097 pw1nct 17238 |
| Copyright terms: Public domain | W3C validator |