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| Mirrors > Home > ILE Home > Th. List > rexlimdvaa | GIF version | ||
| Description: Inference from Theorem 19.23 of [Margaris] p. 90 (restricted quantifier version). (Contributed by Mario Carneiro, 15-Jun-2016.) |
| Ref | Expression |
|---|---|
| rexlimdvaa.1 | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝜓)) → 𝜒) |
| Ref | Expression |
|---|---|
| rexlimdvaa | ⊢ (𝜑 → (∃𝑥 ∈ 𝐴 𝜓 → 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rexlimdvaa.1 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝜓)) → 𝜒) | |
| 2 | 1 | expr 375 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 → 𝜒)) |
| 3 | 2 | rexlimdva 2614 | 1 ⊢ (𝜑 → (∃𝑥 ∈ 𝐴 𝜓 → 𝜒)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2167 ∃wrex 2476 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1461 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-4 1524 ax-17 1540 ax-ial 1548 ax-i5r 1549 |
| This theorem depends on definitions: df-bi 117 df-nf 1475 df-ral 2480 df-rex 2481 |
| This theorem is referenced by: rexlimddv 2619 nnsucuniel 6554 omp1eomlem 7161 ctmlemr 7175 mulgt0sr 7847 axpre-suploclemres 7970 cnegex 8206 receuap 8698 recapb 8700 rexanuz 11155 climcaucn 11518 fsumiun 11644 dvdsval2 11957 nninfctlemfo 12217 prmind2 12298 pcprmpw2 12512 pockthg 12536 dvdsrvald 13659 dvdsrd 13660 dvdsrex 13664 unitgrp 13682 isnzr2 13750 znunit 14225 tgcl 14310 neiint 14391 restopnb 14427 iscnp4 14464 blssexps 14675 blssex 14676 lgsne0 15289 lgsquadlem1 15328 |
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