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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 3185 | . 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 (𝜓 → 𝜒)) |
3 | ss2rab 4050 | . 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 2113 ∀wral 3141 {crab 3145 ⊆ wss 3939 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ral 3146 df-rab 3150 df-in 3946 df-ss 3955 |
This theorem is referenced by: rabssrabd 4061 sess1 5526 suppssov1 7865 suppssfv 7869 harword 9032 mrcss 16890 ablfac1b 19195 mptscmfsupp0 19702 lspss 19759 aspss 20109 dsmmacl 20888 dsmmsubg 20890 dsmmlss 20891 scmatdmat 21127 clsss 21665 lfinpfin 22135 qustgpopn 22731 metss2lem 23124 equivcau 23906 rrxmvallem 24010 ovolsslem 24088 itg2monolem1 24354 lgamucov 25618 sqff1o 25762 musum 25771 cusgrfilem1 27240 clwlknf1oclwwlknlem3 27865 rmfsupp2 30870 locfinreflem 31108 omsmon 31560 orvclteinc 31737 fin2solem 34882 poimirlem26 34922 poimirlem27 34923 cnambfre 34944 pclssN 37034 2polssN 37055 dihglblem3N 38435 dochss 38505 mapdordlem2 38777 nzss 40655 rmsuppss 44425 mndpsuppss 44426 scmsuppss 44427 |
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