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| Mirrors > Home > ILE Home > Th. List > opelres | Unicode version | ||
| Description: Ordered pair membership in a restriction. Exercise 13 of [TakeutiZaring] p. 25. (Contributed by NM, 13-Nov-1995.) |
| Ref | Expression |
|---|---|
| opelres.1 |
|
| Ref | Expression |
|---|---|
| opelres |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-res 4786 |
. . 3
| |
| 2 | 1 | eleq2i 2305 |
. 2
|
| 3 | elin 3412 |
. 2
| |
| 4 | opelres.1 |
. . . 4
| |
| 5 | opelxp 4804 |
. . . 4
| |
| 6 | 4, 5 | mpbiran2 954 |
. . 3
|
| 7 | 6 | anbi2i 461 |
. 2
|
| 8 | 2, 3, 7 | 3bitri 206 |
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 4249 ax-pow 4311 ax-pr 4346 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 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-opab 4193 df-xp 4780 df-res 4786 |
| This theorem is used by: brres 5069 opelresg 5070 opres 5072 dmres 5084 elres 5099 relssres 5101 resiexg 5108 iss 5109 restidsing 5119 asymref 5173 ssrnres 5230 cnvresima 5277 ressn 5328 funssres 5420 fcnvres 5575 |
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