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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 4025 | . 2 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴}) |
3 | abid1 2869 | . 2 ⊢ 𝐴 = {𝑥 ∣ 𝑥 ∈ 𝐴} | |
4 | 2, 3 | sseqtrrdi 3998 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2106 {cab 2708 ⊆ wss 3913 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2702 |
This theorem depends on definitions: df-bi 206 df-an 397 df-tru 1544 df-ex 1782 df-sb 2068 df-clab 2709 df-cleq 2723 df-clel 2809 df-v 3448 df-in 3920 df-ss 3930 |
This theorem is referenced by: dfopif 4832 opabssxpd 5684 fmpt 7063 eroprf 8761 cfslb2n 10213 rankcf 10722 genpv 10944 genpdm 10947 fimaxre3 12110 supadd 12132 supmul 12136 hashfacenOLD 14364 hashf1lem1OLD 14366 hashf1lem2 14367 mertenslem2 15781 4sqlem11 16838 lss1d 20481 lspsn 20520 lpval 22527 lpsscls 22529 ptuni2 22964 ptbasfi 22969 prdstopn 23016 xkopt 23043 tgpconncompeqg 23500 metrest 23917 mbfeqalem1 25042 limcfval 25273 nosupno 27088 nosupbday 27090 noinfno 27103 noinfbday 27105 addsproplem2 27325 addsunif 27353 negsid 27382 mulsproplem10 27431 nmosetre 29769 nmopsetretALT 30868 nmfnsetre 30882 sigaclcuni 32806 bnj849 33626 deranglem 33847 derangsn 33851 liness 34806 mblfinlem3 36190 ismblfin 36192 itg2addnclem 36202 areacirclem2 36240 sdclem2 36274 sdclem1 36275 ismtyval 36332 heibor1lem 36341 heibor1 36342 pmapglbx 38305 eldiophb 41138 hbtlem2 41509 oaun3lem1 41767 oaun3lem2 41768 upbdrech 43660 |
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