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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 4027 | . 2 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴}) |
| 3 | abid1 2905 | . 2 ⊢ 𝐴 = {𝑥 ∣ 𝑥 ∈ 𝐴} | |
| 4 | 2, 3 | sseqtrrdi 3986 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2149 {cab 2747 ⊆ wss 3913 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-ss 3930 |
| This theorem is referenced by: dfopif 4839 abexd 5296 opabssxpd 5709 fmpt 7106 fabexd 7934 eroprf 8813 cfslb2n 10252 axdc2lem 10432 rankcf 10762 genpv 10984 genpdm 10987 fimaxre3 12161 supadd 12183 supmul 12187 hashf1lem2 14493 mertenslem2 15939 4sqlem11 17015 lss1d 21062 lspsn 21101 lpval 23265 lpsscls 23267 ptuni2 23702 ptbasfi 23707 prdstopn 23754 xkopt 23781 tgpconncompeqg 24238 metrest 24650 mbfeqalem1 25769 limcfval 26000 nosupno 27833 nosupbday 27835 noinfno 27848 noinfbday 27850 addsproplem2 28129 addsuniflem 28160 addbdaylem 28176 negsid 28200 mulsproplem9 28283 sltmuls1 28306 sltmuls2 28307 precsexlem8 28373 precsexlem11 28376 onaddscl 28436 onmulscl 28437 recut 28653 elreno2 28654 nmosetre 31057 nmopsetretALT 32156 nmfnsetre 32170 sigaclcuni 34453 bnj849 35258 vonf1oonfo 35498 deranglem 35557 derangsn 35561 liness 36536 nmulprop 36581 mblfinlem3 38198 ismblfin 38200 itg2addnclem 38210 areacirclem2 38248 sdclem2 38281 sdclem1 38282 ismtyval 38339 heibor1lem 38348 heibor1 38349 pmapglbx 40433 eldiophb 43380 hbtlem2 43743 oaun3lem1 43993 oaun3lem2 43994 upbdrech 45916 hoidmvlelem1 47201 |
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