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Mirrors > Home > ILE Home > Th. List > opelxpd | GIF version |
Description: Ordered pair membership in a Cartesian product, deduction form. (Contributed by Glauco Siliprandi, 3-Mar-2021.) |
Ref | Expression |
---|---|
opelxpd.1 | ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
opelxpd.2 | ⊢ (𝜑 → 𝐵 ∈ 𝐷) |
Ref | Expression |
---|---|
opelxpd | ⊢ (𝜑 → 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | opelxpd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝐶) | |
2 | opelxpd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝐷) | |
3 | opelxpi 4672 | . 2 ⊢ ((𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷) → 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) | |
4 | 1, 2, 3 | syl2anc 411 | 1 ⊢ (𝜑 → 〈𝐴, 𝐵〉 ∈ (𝐶 × 𝐷)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 2159 〈cop 3609 × cxp 4638 |
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 710 ax-5 1457 ax-7 1458 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-8 1514 ax-10 1515 ax-11 1516 ax-i12 1517 ax-bndl 1519 ax-4 1520 ax-17 1536 ax-i9 1540 ax-ial 1544 ax-i5r 1545 ax-14 2162 ax-ext 2170 ax-sep 4135 ax-pow 4188 ax-pr 4223 |
This theorem depends on definitions: df-bi 117 df-3an 981 df-tru 1366 df-nf 1471 df-sb 1773 df-clab 2175 df-cleq 2181 df-clel 2184 df-nfc 2320 df-ral 2472 df-rex 2473 df-v 2753 df-un 3147 df-in 3149 df-ss 3156 df-pw 3591 df-sn 3612 df-pr 3613 df-op 3615 df-opab 4079 df-xp 4646 |
This theorem is referenced by: suplocsrlemb 7822 seqvalcd 10476 ctiunctlemfo 12457 strslfv2d 12522 imasaddfnlemg 12756 imasaddflemg 12758 txcnp 14154 upxp 14155 txcnmpt 14156 uptx 14157 txdis1cn 14161 txlm 14162 lmcn2 14163 txhmeo 14202 comet 14382 txmetcnp 14401 dvaddxxbr 14548 dvmulxxbr 14549 dvcoapbr 14554 |
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