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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 4005 | . 2 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴}) |
| 3 | abid1 2872 | . 2 ⊢ 𝐴 = {𝑥 ∣ 𝑥 ∈ 𝐴} | |
| 4 | 2, 3 | sseqtrrdi 3963 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 {cab 2714 ⊆ wss 3889 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-ss 3906 |
| This theorem is referenced by: dfopif 4813 abexd 5266 opabssxpd 5678 fmpt 7062 fabexd 7888 eroprf 8762 cfslb2n 10190 axdc2lem 10370 rankcf 10700 genpv 10922 genpdm 10925 fimaxre3 12102 supadd 12124 supmul 12128 hashf1lem2 14418 mertenslem2 15850 4sqlem11 16926 lss1d 20958 lspsn 20997 lpval 23104 lpsscls 23106 ptuni2 23541 ptbasfi 23546 prdstopn 23593 xkopt 23620 tgpconncompeqg 24077 metrest 24489 mbfeqalem1 25608 limcfval 25839 nosupno 27667 nosupbday 27669 noinfno 27682 noinfbday 27684 addsproplem2 27962 addsuniflem 27993 addbdaylem 28009 negsid 28033 mulsproplem9 28116 sltmuls1 28139 sltmuls2 28140 precsexlem8 28206 precsexlem11 28209 onaddscl 28269 onmulscl 28270 recut 28486 elreno2 28487 nmosetre 30835 nmopsetretALT 31934 nmfnsetre 31948 sigaclcuni 34262 bnj849 35067 deranglem 35348 derangsn 35352 liness 36327 mblfinlem3 37980 ismblfin 37982 itg2addnclem 37992 areacirclem2 38030 sdclem2 38063 sdclem1 38064 ismtyval 38121 heibor1lem 38130 heibor1 38131 pmapglbx 40215 eldiophb 43189 hbtlem2 43552 oaun3lem1 43802 oaun3lem2 43803 upbdrech 45738 hoidmvlelem1 47023 |
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