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| Mirrors > Home > ILE Home > Th. List > rspcedvd | GIF version | ||
| Description: Restricted existential specialization, using implicit substitution. Variant of rspcedv 2933. (Contributed by AV, 27-Nov-2019.) |
| Ref | Expression |
|---|---|
| rspcedvd.1 | ⊢ (𝜑 → 𝐴 ∈ 𝐵) |
| rspcedvd.2 | ⊢ ((𝜑 ∧ 𝑥 = 𝐴) → (𝜓 ↔ 𝜒)) |
| rspcedvd.3 | ⊢ (𝜑 → 𝜒) |
| Ref | Expression |
|---|---|
| rspcedvd | ⊢ (𝜑 → ∃𝑥 ∈ 𝐵 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rspcedvd.3 | . 2 ⊢ (𝜑 → 𝜒) | |
| 2 | rspcedvd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝐵) | |
| 3 | rspcedvd.2 | . . 3 ⊢ ((𝜑 ∧ 𝑥 = 𝐴) → (𝜓 ↔ 𝜒)) | |
| 4 | 2, 3 | rspcedv 2933 | . 2 ⊢ (𝜑 → (𝜒 → ∃𝑥 ∈ 𝐵 𝜓)) |
| 5 | 1, 4 | mpd 13 | 1 ⊢ (𝜑 → ∃𝑥 ∈ 𝐵 𝜓) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 = wceq 1402 ∈ wcel 2209 ∃wrex 2529 |
| 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-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-v 2823 |
| This theorem is referenced by: rspcime 2937 rspcedeq1vd 2939 rspcedeq2vd 2940 updjud 7416 elpq 10032 modqmuladd 10786 modqmuladdnn0 10788 modfzo0difsn 10815 wrdl1exs1 11380 negfi 11977 divconjdvds 12599 2tp1odd 12634 dfgcd2 12774 qredeu 12858 pw2dvdslemn 12926 dvdsprmpweq 13097 oddprmdvds 13116 isnsgrp 13704 dfgrp2 13815 grplrinv 13845 grpidinv 13847 dfgrp3m 13887 ringid 14314 xmettx 15594 gausslemma2dlem1a 16160 2lgslem1b 16191 usgredg4 16439 wlkvtxiedg 16569 wlkvtxiedgg 16570 umgr2cwwkdifex 16649 bj-charfunbi 16820 |
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