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Mirrors > Home > MPE Home > Th. List > opabssxp | Structured version Visualization version GIF version |
Description: An abstraction relation is a subset of a related Cartesian product. (Contributed by NM, 16-Jul-1995.) |
Ref | Expression |
---|---|
opabssxp | ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ (𝐴 × 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 486 | . . 3 ⊢ (((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑) → (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) | |
2 | 1 | ssopab2i 5402 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} |
3 | df-xp 5525 | . 2 ⊢ (𝐴 × 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} | |
4 | 2, 3 | sseqtrri 3952 | 1 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ (𝐴 × 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 399 ∈ wcel 2111 ⊆ wss 3881 {copab 5092 × cxp 5517 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-v 3443 df-in 3888 df-ss 3898 df-opab 5093 df-xp 5525 |
This theorem is referenced by: brab2a 5608 dmoprabss 7235 ecopovsym 8382 ecopovtrn 8383 ecopover 8384 enqex 10333 lterpq 10381 ltrelpr 10409 enrex 10478 ltrelsr 10479 ltrelre 10545 ltrelxr 10691 rlimpm 14849 dvdszrcl 15604 prdsle 16727 prdsless 16728 sectfval 17013 sectss 17014 ltbval 20711 opsrle 20715 lmfval 21837 isphtpc 23599 bcthlem1 23928 bcthlem5 23932 lgsquadlem1 25964 lgsquadlem2 25965 lgsquadlem3 25966 ishlg 26396 perpln1 26504 perpln2 26505 isperp 26506 iscgra 26603 isinag 26632 isleag 26641 inftmrel 30859 isinftm 30860 fldextfld1 31127 fldextfld2 31128 metidval 31243 metidss 31244 faeval 31615 filnetlem2 33840 areacirc 35150 lcvfbr 36316 cmtfvalN 36506 cvrfval 36564 dicssdvh 38482 pellexlem3 39772 pellexlem4 39773 pellexlem5 39774 pellex 39776 rfovcnvf1od 40705 fsovrfovd 40710 |
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