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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 4737 |
. . 3
| |
| 2 | 1 | eleq2i 2298 |
. 2
|
| 3 | elin 3390 |
. 2
| |
| 4 | opelres.1 |
. . . 4
| |
| 5 | opelxp 4755 |
. . . 4
| |
| 6 | 4, 5 | mpbiran2 949 |
. . 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 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-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-opab 4151 df-xp 4731 df-res 4737 |
| This theorem is referenced by: brres 5019 opelresg 5020 opres 5022 dmres 5034 elres 5049 relssres 5051 resiexg 5058 iss 5059 restidsing 5069 asymref 5122 ssrnres 5179 cnvresima 5226 ressn 5277 funssres 5369 fcnvres 5520 |
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