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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 485 | . . 3 ⊢ (((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑) → (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) | |
2 | 1 | ssopab2i 5437 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} |
3 | df-xp 5561 | . 2 ⊢ (𝐴 × 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} | |
4 | 2, 3 | sseqtrri 4004 | 1 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ (𝐴 × 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 398 ∈ wcel 2114 ⊆ wss 3936 {copab 5128 × cxp 5553 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-in 3943 df-ss 3952 df-opab 5129 df-xp 5561 |
This theorem is referenced by: brab2a 5644 dmoprabss 7256 ecopovsym 8399 ecopovtrn 8400 ecopover 8401 enqex 10344 lterpq 10392 ltrelpr 10420 enrex 10489 ltrelsr 10490 ltrelre 10556 ltrelxr 10702 rlimpm 14857 dvdszrcl 15612 prdsle 16735 prdsless 16736 sectfval 17021 sectss 17022 ltbval 20252 opsrle 20256 lmfval 21840 isphtpc 23598 bcthlem1 23927 bcthlem5 23931 lgsquadlem1 25956 lgsquadlem2 25957 lgsquadlem3 25958 ishlg 26388 perpln1 26496 perpln2 26497 isperp 26498 iscgra 26595 isinag 26624 isleag 26633 inftmrel 30809 isinftm 30810 fldextfld1 31039 fldextfld2 31040 metidval 31130 metidss 31131 faeval 31505 filnetlem2 33727 areacirc 35002 lcvfbr 36171 cmtfvalN 36361 cvrfval 36419 dicssdvh 38337 pellexlem3 39477 pellexlem4 39478 pellexlem5 39479 pellex 39481 rfovcnvf1od 40399 fsovrfovd 40404 |
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