| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 4751 | . 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 2200 〈cop 3669 × cxp 4717 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-opab 4146 df-xp 4725 |
| This theorem is referenced by: elovimad 6051 suplocsrlemb 8001 seqvalcd 10691 ctiunctlemfo 13018 strslfv2d 13083 imasaddfnlemg 13355 imasaddflemg 13357 txcnp 14953 upxp 14954 txcnmpt 14955 uptx 14956 txdis1cn 14960 txlm 14961 lmcn2 14962 txhmeo 15001 comet 15181 txmetcnp 15200 dvaddxxbr 15383 dvmulxxbr 15384 dvcoapbr 15389 mpodvdsmulf1o 15672 wlkelvv 16070 |
| Copyright terms: Public domain | W3C validator |