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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 3606 | . 2 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 = ℝ ∨ 𝑆 = ℂ)) | |
2 | ax-resscn 7866 | . . . 4 ⊢ ℝ ⊆ ℂ | |
3 | sseq1 3170 | . . . 4 ⊢ (𝑆 = ℝ → (𝑆 ⊆ ℂ ↔ ℝ ⊆ ℂ)) | |
4 | 2, 3 | mpbiri 167 | . . 3 ⊢ (𝑆 = ℝ → 𝑆 ⊆ ℂ) |
5 | eqimss 3201 | . . 3 ⊢ (𝑆 = ℂ → 𝑆 ⊆ ℂ) | |
6 | 4, 5 | jaoi 711 | . 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 703 = wceq 1348 ∈ wcel 2141 ⊆ wss 3121 {cpr 3584 ℂcc 7772 ℝcr 7773 |
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 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-ext 2152 ax-resscn 7866 |
This theorem depends on definitions: df-bi 116 df-tru 1351 df-nf 1454 df-sb 1756 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-v 2732 df-un 3125 df-in 3127 df-ss 3134 df-sn 3589 df-pr 3590 |
This theorem is referenced by: dvfgg 13451 dvaddxx 13461 dvmulxx 13462 dviaddf 13463 dvimulf 13464 |
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