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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 4020 | . 2 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴}) |
| 3 | abid1 2901 | . 2 ⊢ 𝐴 = {𝑥 ∣ 𝑥 ∈ 𝐴} | |
| 4 | 2, 3 | sseqtrrdi 3979 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 {cab 2743 ⊆ wss 3906 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-ss 3923 |
| This theorem is used by: dfopif 4837 abexd 5298 opabssxpd 5710 fmpt 7109 fabexd 7940 eroprf 8819 cfslb2n 10267 axdc2lem 10447 rankcf 10779 genpv 11001 genpdm 11004 fimaxre3 12178 supadd 12200 supmul 12204 hashf1lem2 14513 mertenslem2 15964 4sqlem11 17039 lss1d 21136 lspsn 21175 lpval 23348 lpsscls 23350 ptuni2 23786 ptbasfi 23791 prdstopn 23838 xkopt 23865 tgpconncompeqg 24322 metrest 24734 mbfeqalem1 25853 limcfval 26084 nosupno 27920 nosupbday 27922 noinfno 27935 noinfbday 27937 addsproplem2 28216 addsuniflem 28247 addbdaylem 28263 negsid 28287 mulsproplem9 28370 sltmuls1 28393 sltmuls2 28394 precsexlem8 28460 precsexlem11 28463 onaddscl 28523 onmulscl 28524 recut 28740 elreno2 28741 nmosetre 31189 nmopsetretALT 32288 nmfnsetre 32302 sigaclcuni 34574 bnj849 35380 vonf1oonfo 35658 deranglem 35697 derangsn 35701 liness 36676 nmulprop 36721 mblfinlem3 38369 ismblfin 38371 itg2addnclem 38381 areacirclem2 38419 sdclem2 38453 sdclem1 38454 ismtyval 38511 heibor1lem 38520 heibor1 38521 pmapglbx 40603 eldiophb 43548 hbtlem2 43911 oaun3lem1 44161 oaun3lem2 44162 upbdrech 46084 hoidmvlelem1 47369 |
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