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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 4784 | . 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 2205 〈cop 3697 × cxp 4752 |
| 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 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-opab 4177 df-xp 4760 |
| This theorem is referenced by: opelxpd 4787 opelvvg 4804 opelvv 4805 opbrop 4834 fnbrfvb2 5724 fliftrel 5971 fnotovb 6104 ovi3 6199 ovres 6202 fovcdm 6205 fnovrn 6210 ovconst2 6214 oprab2co 6427 1stconst 6430 2ndconst 6431 f1od2 6444 brdifun 6807 ecopqsi 6837 brecop 6872 th3q 6887 xpcomco 7090 xpf1o 7110 xpmapenlem 7115 djulclr 7353 djurclr 7354 djulcl 7355 djurcl 7356 djuf1olem 7357 cc2lem 7596 addpiord 7647 mulpiord 7648 enqeceq 7690 1nq 7697 addpipqqslem 7700 mulpipq 7703 mulpipqqs 7704 addclnq 7706 mulclnq 7707 recexnq 7721 ltexnqq 7739 prarloclemarch 7749 prarloclemarch2 7750 nnnq 7753 enq0breq 7767 enq0eceq 7768 nqnq0 7772 addnnnq0 7780 mulnnnq0 7781 addclnq0 7782 mulclnq0 7783 nqpnq0nq 7784 prarloclemlt 7824 prarloclemlo 7825 prarloclemcalc 7833 genpelxp 7842 nqprm 7873 ltexprlempr 7939 recexprlempr 7963 cauappcvgprlemcl 7984 cauappcvgprlemladd 7989 caucvgprlemcl 8007 caucvgprprlemcl 8035 enreceq 8067 addsrpr 8076 mulsrpr 8077 0r 8081 1sr 8082 m1r 8083 addclsr 8084 mulclsr 8085 prsrcl 8115 mappsrprg 8135 addcnsr 8165 mulcnsr 8166 addcnsrec 8173 mulcnsrec 8174 pitonnlem2 8178 pitonn 8179 pitore 8181 recnnre 8182 axaddcl 8195 axmulcl 8197 xrlenlt 8354 frecuzrdgg 10802 frecuzrdgsuctlem 10809 seq3val 10846 swrdval 11365 cnrecnv 11620 eucalgf 12777 eucalg 12781 qredeu 12819 qnumdenbi 12914 crth 12946 phimullem 12947 setscom 13336 setsslid 13347 imasaddfnlemg 13578 imasaddflemg 13580 txbas 15249 upxp 15263 uptx 15265 txlm 15270 cnmpt21 15282 txswaphmeolem 15311 txswaphmeo 15312 comet 15490 qtopbasss 15512 cnmetdval 15520 remetdval 15538 tgqioo 15546 dvcnp2cntop 15690 dvef 15718 djucllem 16698 pwle2 16898 |
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