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Mirrors > Home > MPE Home > Th. List > abssdv | Structured version Visualization version GIF version |
Description: Deduction of abstraction subclass from implication. (Contributed by NM, 20-Jan-2006.) |
Ref | Expression |
---|---|
abssdv.1 | ⊢ (𝜑 → (𝜓 → 𝑥 ∈ 𝐴)) |
Ref | Expression |
---|---|
abssdv | ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | abssdv.1 | . . 3 ⊢ (𝜑 → (𝜓 → 𝑥 ∈ 𝐴)) | |
2 | 1 | alrimiv 1924 | . 2 ⊢ (𝜑 → ∀𝑥(𝜓 → 𝑥 ∈ 𝐴)) |
3 | abss 4039 | . 2 ⊢ ({𝑥 ∣ 𝜓} ⊆ 𝐴 ↔ ∀𝑥(𝜓 → 𝑥 ∈ 𝐴)) | |
4 | 2, 3 | sylibr 236 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∀wal 1531 ∈ wcel 2110 {cab 2799 ⊆ wss 3935 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-in 3942 df-ss 3951 |
This theorem is referenced by: dfopif 4793 opabssxpd 5783 fmpt 6868 eroprf 8389 cfslb2n 9684 rankcf 10193 genpv 10415 genpdm 10418 fimaxre3 11581 supadd 11603 supmul 11607 hashfacen 13806 hashf1lem1 13807 hashf1lem2 13808 mertenslem2 15235 4sqlem11 16285 lss1d 19729 lspsn 19768 lpval 21741 lpsscls 21743 ptuni2 22178 ptbasfi 22183 prdstopn 22230 xkopt 22257 tgpconncompeqg 22714 metrest 23128 mbfeqalem1 24236 limcfval 24464 nmosetre 28535 nmopsetretALT 29634 nmfnsetre 29648 sigaclcuni 31372 bnj849 32192 deranglem 32408 derangsn 32412 nosupno 33198 nosupbday 33200 liness 33601 mblfinlem3 34925 ismblfin 34927 itg2addnclem 34937 areacirclem2 34977 sdclem2 35011 sdclem1 35012 ismtyval 35072 heibor1lem 35081 heibor1 35082 pmapglbx 36899 eldiophb 39347 hbtlem2 39717 upbdrech 41565 |
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