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| Mirrors > Home > ILE Home > Th. List > rexlimiva | GIF version | ||
| Description: Inference from Theorem 19.23 of [Margaris] p. 90 (restricted quantifier version). (Contributed by NM, 18-Dec-2006.) |
| Ref | Expression |
|---|---|
| rexlimiva.1 | ⊢ ((𝑥 ∈ 𝐴 ∧ 𝜑) → 𝜓) |
| Ref | Expression |
|---|---|
| rexlimiva | ⊢ (∃𝑥 ∈ 𝐴 𝜑 → 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rexlimiva.1 | . . 3 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝜑) → 𝜓) | |
| 2 | 1 | ex 115 | . 2 ⊢ (𝑥 ∈ 𝐴 → (𝜑 → 𝜓)) |
| 3 | 2 | rexlimiv 2662 | 1 ⊢ (∃𝑥 ∈ 𝐴 𝜑 → 𝜓) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 ∈ wcel 2209 ∃wrex 2529 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-4 1563 ax-17 1579 ax-ial 1587 ax-i5r 1588 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-ral 2533 df-rex 2534 |
| This theorem is used by: unon 4660 reg2exmidlema 4683 ssfilem 7181 ssfilemd 7183 diffitest 7195 fival 7309 elfi2 7311 fi0 7314 djuss 7416 updjud 7428 enumct 7461 finnum 7534 dmaddpqlem 7750 nqpi 7751 nq0nn 7815 recexprlemm 7997 iswrd 11328 wrdf 11332 rexanuz 11776 r19.2uz 11781 maxleast 12002 fsum2dlemstep 12226 fisumcom2 12230 fprod2dlemstep 12414 fprodcom2fi 12418 0dvds 12603 even2n 12666 m1expe 12691 m1exp1 12693 modprm0 13062 gzsumval2 13773 dfgrp2 13891 epttop 15316 neipsm 15380 tgioo 15780 sin0pilem2 16009 pilem3 16010 perfect 16301 clwwlkn1loopb 16866 bj-nn0suc 17195 bj-nn0sucALT 17209 trirec0xor 17301 |
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