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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 4019 | . 2 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴}) |
| 3 | abid1 2899 | . 2 ⊢ 𝐴 = {𝑥 ∣ 𝑥 ∈ 𝐴} | |
| 4 | 2, 3 | sseqtrrdi 3978 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 {cab 2741 ⊆ wss 3905 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1573 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ss 3922 |
| This theorem is referenced by: dfopif 4835 abexd 5296 opabssxpd 5708 fmpt 7105 fabexd 7930 eroprf 8809 cfslb2n 10247 axdc2lem 10427 rankcf 10757 genpv 10979 genpdm 10982 fimaxre3 12156 supadd 12178 supmul 12182 hashf1lem2 14489 mertenslem2 15935 4sqlem11 17010 lss1d 21084 lspsn 21123 lpval 23296 lpsscls 23298 ptuni2 23733 ptbasfi 23738 prdstopn 23785 xkopt 23812 tgpconncompeqg 24269 metrest 24681 mbfeqalem1 25800 limcfval 26031 nosupno 27867 nosupbday 27869 noinfno 27882 noinfbday 27884 addsproplem2 28163 addsuniflem 28194 addbdaylem 28210 negsid 28234 mulsproplem9 28317 sltmuls1 28340 sltmuls2 28341 precsexlem8 28407 precsexlem11 28410 onaddscl 28470 onmulscl 28471 recut 28687 elreno2 28688 nmosetre 31116 nmopsetretALT 32215 nmfnsetre 32229 sigaclcuni 34508 bnj849 35313 vonf1oonfo 35599 deranglem 35658 derangsn 35662 liness 36637 nmulprop 36682 mblfinlem3 38330 ismblfin 38332 itg2addnclem 38342 areacirclem2 38380 sdclem2 38413 sdclem1 38414 ismtyval 38471 heibor1lem 38480 heibor1 38481 pmapglbx 40563 eldiophb 43508 hbtlem2 43871 oaun3lem1 44121 oaun3lem2 44122 upbdrech 46044 hoidmvlelem1 47329 |
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