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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 4015 | . 2 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴}) |
| 3 | abid1 2870 | . 2 ⊢ 𝐴 = {𝑥 ∣ 𝑥 ∈ 𝐴} | |
| 4 | 2, 3 | sseqtrrdi 3973 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2113 {cab 2712 ⊆ wss 3899 |
| 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 2706 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2713 df-cleq 2726 df-clel 2809 df-ss 3916 |
| This theorem is referenced by: dfopif 4824 abexd 5268 opabssxpd 5669 fmpt 7053 fabexd 7877 eroprf 8750 cfslb2n 10176 axdc2lem 10356 rankcf 10686 genpv 10908 genpdm 10911 fimaxre3 12086 supadd 12108 supmul 12112 hashf1lem2 14377 mertenslem2 15806 4sqlem11 16881 lss1d 20912 lspsn 20951 lpval 23081 lpsscls 23083 ptuni2 23518 ptbasfi 23523 prdstopn 23570 xkopt 23597 tgpconncompeqg 24054 metrest 24466 mbfeqalem1 25596 limcfval 25827 nosupno 27669 nosupbday 27671 noinfno 27684 noinfbday 27686 addsproplem2 27940 addsuniflem 27971 addsbdaylem 27986 negsid 28010 mulsproplem9 28093 ssltmul1 28116 ssltmul2 28117 precsexlem8 28182 precsexlem11 28185 onaddscl 28241 onmulscl 28242 recut 28439 elreno2 28440 nmosetre 30788 nmopsetretALT 31887 nmfnsetre 31901 sigaclcuni 34224 bnj849 35030 deranglem 35309 derangsn 35313 liness 36288 mblfinlem3 37799 ismblfin 37801 itg2addnclem 37811 areacirclem2 37849 sdclem2 37882 sdclem1 37883 ismtyval 37940 heibor1lem 37949 heibor1 37950 pmapglbx 39968 eldiophb 42941 hbtlem2 43308 oaun3lem1 43558 oaun3lem2 43559 upbdrech 45495 hoidmvlelem1 46781 |
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