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| Mirrors > Home > ILE Home > Th. List > opelxpi | GIF version | ||
| Description: Ordered pair membership in a cross product (implication). (Contributed by NM, 28-May-1995.) |
| Ref | Expression |
|---|---|
| opelxpi | ⊢ ((𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷) → 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opelxp 4799 | . 2 ⊢ (〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷) ↔ (𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷)) | |
| 2 | 1 | biimpri 133 | 1 ⊢ ((𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷) → 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2209 〈cop 3708 × cxp 4767 |
| 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 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 4244 ax-pow 4306 ax-pr 4341 |
| This theorem 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 3687 df-sn 3711 df-pr 3712 df-op 3714 df-opab 4188 df-xp 4775 |
| This theorem is referenced by: opelxpd 4802 opelvvg 4819 opelvv 4820 opbrop 4849 fnbrfvb2 5739 fliftrel 5988 fnotovb 6121 ovi3 6216 ovres 6219 fovcdm 6222 fnovrn 6227 ovconst2 6231 oprab2co 6444 1stconst 6447 2ndconst 6448 f1od2 6461 brdifun 6824 ecopqsi 6854 brecop 6889 th3q 6904 xpcomco 7114 xpf1o 7134 xpmapenlem 7139 djulclr 7379 djurclr 7380 djulcl 7381 djurcl 7382 djuf1olem 7383 cc2lem 7622 addpiord 7673 mulpiord 7674 enqeceq 7716 1nq 7723 addpipqqslem 7726 mulpipq 7729 mulpipqqs 7730 addclnq 7732 mulclnq 7733 recexnq 7747 ltexnqq 7765 prarloclemarch 7775 prarloclemarch2 7776 nnnq 7779 enq0breq 7793 enq0eceq 7794 nqnq0 7798 addnnnq0 7806 mulnnnq0 7807 addclnq0 7808 mulclnq0 7809 nqpnq0nq 7810 prarloclemlt 7850 prarloclemlo 7851 prarloclemcalc 7859 genpelxp 7868 nqprm 7899 ltexprlempr 7965 recexprlempr 7989 cauappcvgprlemcl 8010 cauappcvgprlemladd 8015 caucvgprlemcl 8033 caucvgprprlemcl 8061 enreceq 8093 addsrpr 8102 mulsrpr 8103 0r 8107 1sr 8108 m1r 8109 addclsr 8110 mulclsr 8111 prsrcl 8141 mappsrprg 8161 addcnsr 8191 mulcnsr 8192 addcnsrec 8199 mulcnsrec 8200 pitonnlem2 8204 pitonn 8205 pitore 8207 recnnre 8208 axaddcl 8221 axmulcl 8223 xrlenlt 8380 frecuzrdgg 10831 frecuzrdgsuctlem 10838 seq3val 10875 swrdval 11398 cnrecnv 11654 eucalgf 12811 eucalg 12815 qredeu 12853 qnumdenbi 12948 crth 12980 phimullem 12981 setscom 13370 setsslid 13381 imasaddfnlemg 13612 imasaddflemg 13614 txbas 15282 upxp 15296 uptx 15298 txlm 15303 cnmpt21 15315 txswaphmeolem 15344 txswaphmeo 15345 comet 15523 qtopbasss 15545 cnmetdval 15553 remetdval 15571 tgqioo 15579 dvcnp2cntop 15723 dvef 15751 djucllem 16742 pwle2 16942 |
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