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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 4013 | . 2 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴}) |
| 3 | abid1 2896 | . 2 ⊢ 𝐴 = {𝑥 ∣ 𝑥 ∈ 𝐴} | |
| 4 | 2, 3 | sseqtrrdi 3972 | 1 ⊢ (𝜑 → {𝑥 ∣ 𝜓} ⊆ 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 {cab 2738 ⊆ wss 3899 |
| 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 2147 ax-9 2155 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-ss 3916 |
| This theorem is used by: dfopif 4830 abexd 5290 opabssxpd 5702 fmpt 7104 fabexd 7935 eroprf 8816 cfslb2n 10271 axdc2lem 10451 rankcf 10787 genpv 11009 genpdm 11012 fimaxre3 12186 supadd 12208 supmul 12212 hashf1lem2 14522 mertenslem2 15975 4sqlem11 17048 lss1d 21148 lspsn 21187 lpval 23365 lpsscls 23367 ptuni2 23803 ptbasfi 23808 prdstopn 23855 xkopt 23882 tgpconncompeqg 24339 metrest 24751 mbfeqalem1 25870 limcfval 26100 nosupno 27940 nosupbday 27942 noinfno 27955 noinfbday 27957 addsproplem2 28236 addsuniflem 28267 addbdaylem 28283 negsid 28307 mulsproplem9 28390 sltmuls1 28413 sltmuls2 28414 precsexlem8 28480 precsexlem11 28483 onaddscl 28543 onmulscl 28544 recut 28760 elreno2 28761 nmosetre 31246 nmopsetretALT 32345 nmfnsetre 32359 sigaclcuni 34629 bnj849 35435 vonf1oonfo 35713 deranglem 35746 derangsn 35750 liness 36726 nmulprop 36771 mblfinlem3 38409 ismblfin 38411 itg2addnclem 38421 areacirclem2 38459 sdclem2 38493 sdclem1 38494 ismtyval 38551 heibor1lem 38560 heibor1 38561 pmapglbx 40643 eldiophb 43603 hbtlem2 43966 oaun3lem1 44216 oaun3lem2 44217 upbdrech 46139 hoidmvlelem1 47424 |
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