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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.) (Proof shortened by SN, 22-Dec-2024.) |
| 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 | ss2abdv 4017 | . 2 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴}) |
| 3 | abid1 2872 | . 2 ⊢ 𝐴 = {𝑥 ∣ 𝑥 ∈ 𝐴} | |
| 4 | 2, 3 | sseqtrrdi 3975 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2113 {cab 2714 ⊆ wss 3901 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-ss 3918 |
| This theorem is referenced by: dfopif 4826 abexd 5270 opabssxpd 5671 fmpt 7055 fabexd 7879 eroprf 8752 cfslb2n 10178 axdc2lem 10358 rankcf 10688 genpv 10910 genpdm 10913 fimaxre3 12088 supadd 12110 supmul 12114 hashf1lem2 14379 mertenslem2 15808 4sqlem11 16883 lss1d 20914 lspsn 20953 lpval 23083 lpsscls 23085 ptuni2 23520 ptbasfi 23525 prdstopn 23572 xkopt 23599 tgpconncompeqg 24056 metrest 24468 mbfeqalem1 25598 limcfval 25829 nosupno 27671 nosupbday 27673 noinfno 27686 noinfbday 27688 addsproplem2 27966 addsuniflem 27997 addbdaylem 28013 negsid 28037 mulsproplem9 28120 sltmuls1 28143 sltmuls2 28144 precsexlem8 28210 precsexlem11 28213 onaddscl 28273 onmulscl 28274 recut 28490 elreno2 28491 nmosetre 30839 nmopsetretALT 31938 nmfnsetre 31952 sigaclcuni 34275 bnj849 35081 deranglem 35360 derangsn 35364 liness 36339 mblfinlem3 37860 ismblfin 37862 itg2addnclem 37872 areacirclem2 37910 sdclem2 37943 sdclem1 37944 ismtyval 38001 heibor1lem 38010 heibor1 38011 pmapglbx 40039 eldiophb 43009 hbtlem2 43376 oaun3lem1 43626 oaun3lem2 43627 upbdrech 45563 hoidmvlelem1 46849 |
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