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| Mirrors > Home > MPE Home > Th. List > rspe | Structured version Visualization version GIF version | ||
| Description: Restricted specialization. (Contributed by NM, 12-Oct-1999.) |
| Ref | Expression |
|---|---|
| rspe | ⊢ ((𝑥 ∈ 𝐴 ∧ 𝜑) → ∃𝑥 ∈ 𝐴 𝜑) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 19.8a 2217 | . 2 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝜑) → ∃𝑥(𝑥 ∈ 𝐴 ∧ 𝜑)) | |
| 2 | df-rex 3087 | . 2 ⊢ (∃𝑥 ∈ 𝐴 𝜑 ↔ ∃𝑥(𝑥 ∈ 𝐴 ∧ 𝜑)) | |
| 3 | 1, 2 | sylibr 237 | 1 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝜑) → ∃𝑥 ∈ 𝐴 𝜑) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∃wex 1812 ∈ wcel 2145 ∃wrex 3086 |
| 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-12 2213 |
| This proof depends on definitions: df-bi 210 df-ex 1813 df-rex 3087 |
| This theorem is used by: rsp2e 3280 2rmorex 3711 2reurex 3717 ssiun2 5005 reusv2lem3 5361 fvelimad 6940 tfrlem9 8371 findcard2 9158 isinf 9234 findcard3 9252 scott0b 9909 scott0OLD 9910 ac6c4 10531 supaddc 12254 supadd 12255 supmul1 12256 supmul 12259 fsuppmapnn0fiub 14103 mreiincl 17728 restmetu 24851 bposlem3 27577 nosupbnd1 28005 nosupbnd2 28007 noinfbnd1 28020 noinfbnd2 28022 opphllem5 29161 dfprlng2 29359 pjpjpre 31955 atom1d 32889 iinabrex 33097 actfunsnf1o 35168 bnj1398 35599 cvmlift2lem12 36000 finminlem 37028 neibastop2lem 37070 iooelexlt 38205 relowlpssretop 38207 ralssiun 38250 varprop 38562 disjlem18 39755 prtlem18 39854 pell14qrdich 43814 unielss 44163 eliuniin 46035 eliuniin2 46056 eliunid 46083 disjinfi 46128 iunmapsn 46151 infnsuprnmpt 46183 upbdrech 46242 limclner 46583 limsupre3uzlem 46667 climuzlem 46675 sge0iunmptlemre 47347 iundjiun 47392 meaiininclem 47418 isomenndlem 47462 ovnsubaddlem1 47502 vonioo 47614 vonicc 47617 smfaddlem1 47695 f1oresf1o2 48283 |
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