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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 12251 | . 2 ⊢ (𝑥 ∈ ℙ → 𝑥 ∈ ℕ) | |
2 | 1 | ssriv 3184 | 1 ⊢ ℙ ⊆ ℕ |
Colors of variables: wff set class |
Syntax hints: ⊆ wss 3154 ℕcn 8984 ℙcprime 12248 |
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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2175 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rab 2481 df-v 2762 df-un 3158 df-in 3160 df-ss 3167 df-sn 3625 df-pr 3626 df-op 3628 df-br 4031 df-prm 12249 |
This theorem is referenced by: prmex 12254 1arith 12508 prminf 12615 |
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