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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 3992 | . 2 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴}) |
| 3 | abid1 2899 | . 2 ⊢ 𝐴 = {𝑥 ∣ 𝑥 ∈ 𝐴} | |
| 4 | 2, 3 | sseqtrrdi 3953 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 {cab 2741 ⊆ wss 3899 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2101 df-clab 2742 df-cleq 2755 df-clel 2838 df-ss 3900 |
| This theorem is used by: dfopif 4839 abexd 5290 opabssxpd 5701 fmpt 7118 fabexd 7956 eroprf 8847 cfslb2n 10356 axdc2lem 10536 rankcf 10872 genpv 11094 genpdm 11097 fimaxre3 12273 supadd 12295 supmul 12299 hashf1lem2 14611 mertenslem2 16066 4sqlem11 17145 lss1d 21250 lspsn 21289 lpval 23469 lpsscls 23471 ptuni2 23907 ptbasfi 23912 prdstopn 23959 xkopt 23986 tgpconncompeqg 24443 metrest 24855 mbfeqalem1 25974 limcfval 26204 nosupno 28072 nosupbday 28074 noinfno 28087 noinfbday 28089 addsproplem2 28368 addsuniflem 28399 addbdaylem 28415 negsid 28439 mulsproplem9 28522 sltmuls1 28545 sltmuls2 28546 precsexlem8 28612 precsexlem11 28615 onaddscl 28675 onmulscl 28676 recut 28892 elreno2 28893 nmosetre 31378 nmopsetretALT 32477 nmfnsetre 32491 sigaclcuni 34803 bnj849 35608 vonf1oonfo 36003 deranglem 36052 derangsn 36056 liness 37037 nmulprop 37066 mblfinlem3 38717 ismblfin 38719 itg2addnclem 38729 areacirclem2 38767 sdclem2 38816 sdclem1 38817 ismtyval 38874 heibor1lem 38883 heibor1 38884 pmapglbx 40966 eldiophb 43908 hbtlem2 44266 oaun3lem1 44516 oaun3lem2 44517 upbdrech 46460 hoidmvlelem1 47744 |
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