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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 12042 | . 2 ⊢ (𝑥 ∈ ℙ → 𝑥 ∈ ℕ) | |
2 | 1 | ssriv 3146 | 1 ⊢ ℙ ⊆ ℕ |
Colors of variables: wff set class |
Syntax hints: ⊆ wss 3116 ℕcn 8857 ℙcprime 12039 |
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 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rab 2453 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-sn 3582 df-pr 3583 df-op 3585 df-br 3983 df-prm 12040 |
This theorem is referenced by: prmex 12045 1arith 12297 prminf 12388 |
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