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Mirrors > Home > ILE Home > Th. List > recnprss | GIF version |
Description: Both ℝ and ℂ are subsets of ℂ. (Contributed by Mario Carneiro, 10-Feb-2015.) |
Ref | Expression |
---|---|
recnprss | ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elpri 3599 | . 2 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 = ℝ ∨ 𝑆 = ℂ)) | |
2 | ax-resscn 7845 | . . . 4 ⊢ ℝ ⊆ ℂ | |
3 | sseq1 3165 | . . . 4 ⊢ (𝑆 = ℝ → (𝑆 ⊆ ℂ ↔ ℝ ⊆ ℂ)) | |
4 | 2, 3 | mpbiri 167 | . . 3 ⊢ (𝑆 = ℝ → 𝑆 ⊆ ℂ) |
5 | eqimss 3196 | . . 3 ⊢ (𝑆 = ℂ → 𝑆 ⊆ ℂ) | |
6 | 4, 5 | jaoi 706 | . 2 ⊢ ((𝑆 = ℝ ∨ 𝑆 = ℂ) → 𝑆 ⊆ ℂ) |
7 | 1, 6 | syl 14 | 1 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∨ wo 698 = wceq 1343 ∈ wcel 2136 ⊆ wss 3116 {cpr 3577 ℂcc 7751 ℝcr 7752 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 ax-resscn 7845 |
This theorem depends on definitions: df-bi 116 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-sn 3582 df-pr 3583 |
This theorem is referenced by: dvfgg 13297 dvaddxx 13307 dvmulxx 13308 dviaddf 13309 dvimulf 13310 |
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