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| Description: Ordered pair membership in a cross product (implication). |
| Ref | Expression |
|---|---|
| opelxpi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opelxpg 2454 |
. . 3
| |
| 2 | 1 | biimprd 136 |
. 2
|
| 3 | 2 | anabsi7 379 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: brinxp 2466 opbrop 2472 relsn 2485 oprabval3 3052 ecopqsi 3230 brecop 3242 eceqopreq 3249 th3q 3253 addpiord 3806 mulpiord 3807 enqeceq 3841 1q 3851 addclpq 3852 mulclpq 3854 enreceq 3971 0r 3983 1r 3984 m1r 3985 addclsr 3986 mulclsr 3987 axaddcl 4066 axmulcl 4068 axnegex 4078 leltt 4278 ruclem13 4897 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-pw 1799 df-sn 1811 df-pr 1812 df-op 1815 df-opab 2098 df-xp 2424 |