Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > numnncl2 | GIF version |
Description: Closure for a decimal integer (zero units place). (Contributed by Mario Carneiro, 9-Mar-2015.) |
Ref | Expression |
---|---|
numnncl2.1 | ⊢ 𝑇 ∈ ℕ |
numnncl2.2 | ⊢ 𝐴 ∈ ℕ |
Ref | Expression |
---|---|
numnncl2 | ⊢ ((𝑇 · 𝐴) + 0) ∈ ℕ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | numnncl2.1 | . . . . 5 ⊢ 𝑇 ∈ ℕ | |
2 | numnncl2.2 | . . . . 5 ⊢ 𝐴 ∈ ℕ | |
3 | 1, 2 | nnmulcli 8870 | . . . 4 ⊢ (𝑇 · 𝐴) ∈ ℕ |
4 | 3 | nncni 8858 | . . 3 ⊢ (𝑇 · 𝐴) ∈ ℂ |
5 | 4 | addid1i 8031 | . 2 ⊢ ((𝑇 · 𝐴) + 0) = (𝑇 · 𝐴) |
6 | 5, 3 | eqeltri 2237 | 1 ⊢ ((𝑇 · 𝐴) + 0) ∈ ℕ |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 2135 (class class class)co 5836 0cc0 7744 + caddc 7747 · cmul 7749 ℕcn 8848 |
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 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-ext 2146 ax-sep 4094 ax-cnex 7835 ax-resscn 7836 ax-1cn 7837 ax-1re 7838 ax-icn 7839 ax-addcl 7840 ax-addrcl 7841 ax-mulcl 7842 ax-mulcom 7845 ax-addass 7846 ax-mulass 7847 ax-distr 7848 ax-1rid 7851 ax-0id 7852 ax-cnre 7855 |
This theorem depends on definitions: df-bi 116 df-3an 969 df-tru 1345 df-nf 1448 df-sb 1750 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ral 2447 df-rex 2448 df-rab 2451 df-v 2723 df-un 3115 df-in 3117 df-ss 3124 df-sn 3576 df-pr 3577 df-op 3579 df-uni 3784 df-int 3819 df-br 3977 df-iota 5147 df-fv 5190 df-ov 5839 df-inn 8849 |
This theorem is referenced by: decnncl2 9336 |
Copyright terms: Public domain | W3C validator |