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Mirrors > Home > MPE Home > Th. List > ss2rabdv | Structured version Visualization version GIF version |
Description: Deduction of restricted abstraction subclass from implication. (Contributed by NM, 30-May-2006.) |
Ref | Expression |
---|---|
ss2rabdv.1 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 → 𝜒)) |
Ref | Expression |
---|---|
ss2rabdv | ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} ⊆ {𝑥 ∈ 𝐴 ∣ 𝜒}) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ss2rabdv.1 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 → 𝜒)) | |
2 | 1 | ralrimiva 3184 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 (𝜓 → 𝜒)) |
3 | ss2rab 4049 | . 2 ⊢ ({𝑥 ∈ 𝐴 ∣ 𝜓} ⊆ {𝑥 ∈ 𝐴 ∣ 𝜒} ↔ ∀𝑥 ∈ 𝐴 (𝜓 → 𝜒)) | |
4 | 2, 3 | sylibr 236 | 1 ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} ⊆ {𝑥 ∈ 𝐴 ∣ 𝜒}) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2114 ∀wral 3140 {crab 3144 ⊆ wss 3938 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ral 3145 df-rab 3149 df-in 3945 df-ss 3954 |
This theorem is referenced by: rabssrabd 4060 sess1 5525 suppssov1 7864 suppssfv 7868 harword 9031 mrcss 16889 ablfac1b 19194 mptscmfsupp0 19701 lspss 19758 aspss 20108 dsmmacl 20887 dsmmsubg 20889 dsmmlss 20890 scmatdmat 21126 clsss 21664 lfinpfin 22134 qustgpopn 22730 metss2lem 23123 equivcau 23905 rrxmvallem 24009 ovolsslem 24087 itg2monolem1 24353 lgamucov 25617 sqff1o 25761 musum 25770 cusgrfilem1 27239 clwlknf1oclwwlknlem3 27864 rmfsupp2 30868 locfinreflem 31106 omsmon 31558 orvclteinc 31735 fin2solem 34880 poimirlem26 34920 poimirlem27 34921 cnambfre 34942 pclssN 37032 2polssN 37053 dihglblem3N 38433 dochss 38503 mapdordlem2 38775 nzss 40656 rmsuppss 44425 mndpsuppss 44426 scmsuppss 44427 |
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