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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 4743 |
. . 3
| |
| 2 | 1 | eleq2i 2298 |
. 2
|
| 3 | elin 3392 |
. 2
| |
| 4 | opelres.1 |
. . . 4
| |
| 5 | opelxp 4761 |
. . . 4
| |
| 6 | 4, 5 | mpbiran2 950 |
. . 3
|
| 7 | 6 | anbi2i 457 |
. 2
|
| 8 | 2, 3, 7 | 3bitri 206 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-opab 4156 df-xp 4737 df-res 4743 |
| This theorem is referenced by: brres 5025 opelresg 5026 opres 5028 dmres 5040 elres 5055 relssres 5057 resiexg 5064 iss 5065 restidsing 5075 asymref 5129 ssrnres 5186 cnvresima 5233 ressn 5284 funssres 5376 fcnvres 5528 |
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