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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 2668 | 1 ⊢ (𝜑 → (∃𝑥 ∈ 𝐴 𝜓 → 𝜒)) |
| 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: rexlimddv 2673 nnsucuniel 6772 omp1eomlem 7441 ctmlemr 7455 mulgt0sr 8152 axpre-suploclemres 8275 cnegex 8512 receuap 9008 recapb 9010 rexanuz 11777 fiidxsupcl 12019 climcaucn 12143 fsumiun 12270 dvdsval2 12583 nninfctlemfo 12843 prmind2 12924 nn0sqdcq 13014 sqrtrirr 13015 pcprmpw2 13142 pockthg 13166 dvdsrvald 14510 dvdsrd 14511 dvdsrex 14515 unitgrp 14533 isnzr2 14601 znunit 15104 tgcl 15302 neiint 15383 restopnb 15419 iscnp4 15456 blssexps 15667 blssex 15668 lgsne0 16374 lgsquadlem1 16413 |
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