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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 2052 | . 2 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝜑) → ∃𝑥(𝑥 ∈ 𝐴 ∧ 𝜑)) | |
2 | df-rex 2918 | . 2 ⊢ (∃𝑥 ∈ 𝐴 𝜑 ↔ ∃𝑥(𝑥 ∈ 𝐴 ∧ 𝜑)) | |
3 | 1, 2 | sylibr 224 | 1 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝜑) → ∃𝑥 ∈ 𝐴 𝜑) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 ∃wex 1704 ∈ wcel 1990 ∃wrex 2913 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-12 2047 |
This theorem depends on definitions: df-bi 197 df-ex 1705 df-rex 2918 |
This theorem is referenced by: rsp2e 3004 2rmorex 3412 ssiun2 4563 reusv2lem3 4871 tfrlem9 7481 isinf 8173 findcard2 8200 findcard3 8203 scott0 8749 ac6c4 9303 supaddc 10990 supadd 10991 supmul1 10992 supmul 10995 fsuppmapnn0fiub 12790 mreiincl 16256 restmetu 22375 bposlem3 25011 opphllem5 25643 pjpjpre 28278 atom1d 29212 actfunsnf1o 30682 bnj1398 31102 cvmlift2lem12 31296 nosupbnd1 31860 nosupbnd2 31862 finminlem 32312 neibastop2lem 32355 iooelexlt 33210 relowlpssretop 33212 prtlem18 34162 pell14qrdich 37433 eliuniin 39279 eliuniin2 39303 eliunid 39342 disjinfi 39380 iunmapsn 39409 fvelimad 39458 infnsuprnmpt 39465 upbdrech 39519 limclner 39883 limsupre3uzlem 39967 climuzlem 39975 sge0iunmptlemre 40632 iundjiun 40677 meaiininclem 40700 isomenndlem 40744 ovnsubaddlem1 40784 vonioo 40896 vonicc 40899 smfaddlem1 40971 2reurex 41181 |
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