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| Mirrors > Home > ILE Home > Th. List > prmssnn | GIF version | ||
| Description: The prime numbers are a subset of the positive integers. (Contributed by AV, 22-Jul-2020.) |
| Ref | Expression |
|---|---|
| prmssnn | ⊢ ℙ ⊆ ℕ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prmnn 12278 | . 2 ⊢ (𝑥 ∈ ℙ → 𝑥 ∈ ℕ) | |
| 2 | 1 | ssriv 3187 | 1 ⊢ ℙ ⊆ ℕ |
| Colors of variables: wff set class |
| Syntax hints: ⊆ wss 3157 ℕcn 8990 ℙcprime 12275 |
| 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rab 2484 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-sn 3628 df-pr 3629 df-op 3631 df-br 4034 df-prm 12276 |
| This theorem is referenced by: prmex 12281 1arith 12536 prminf 12672 |
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