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| Mirrors > Home > ILE Home > Th. List > rspccv | GIF version | ||
| Description: Restricted specialization, using implicit substitution. (Contributed by NM, 2-Feb-2006.) |
| Ref | Expression |
|---|---|
| rspcv.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| rspccv | ⊢ (∀𝑥 ∈ 𝐵 𝜑 → (𝐴 ∈ 𝐵 → 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rspcv.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | rspcv 2877 | . 2 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝜑 → 𝜓)) |
| 3 | 2 | com12 30 | 1 ⊢ (∀𝑥 ∈ 𝐵 𝜑 → (𝐴 ∈ 𝐵 → 𝜓)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 = wceq 1373 ∈ wcel 2177 ∀wral 2485 |
| 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2188 |
| This theorem depends on definitions: df-bi 117 df-tru 1376 df-nf 1485 df-sb 1787 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-v 2775 |
| This theorem is referenced by: elinti 3900 ofrval 6182 supubti 7116 suplubti 7117 suplocsrlempr 7940 pitonn 7981 peano5uzti 9501 zindd 9511 1arith 12765 basis2 14595 tg2 14607 mopni 15029 metrest 15053 metcnpi 15062 metcnpi2 15063 plycj 15308 decidi 15870 sumdc2 15874 |
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