| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > nnaddcld | Structured version Visualization version GIF version | ||
| Description: Closure of addition of positive integers. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| nnge1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℕ) |
| nnmulcld.2 | ⊢ (𝜑 → 𝐵 ∈ ℕ) |
| Ref | Expression |
|---|---|
| nnaddcld | ⊢ (𝜑 → (𝐴 + 𝐵) ∈ ℕ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnge1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
| 2 | nnmulcld.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℕ) | |
| 3 | nnaddcl 12371 | . 2 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ) → (𝐴 + 𝐵) ∈ ℕ) | |
| 4 | 1, 2, 3 | syl2anc 596 | 1 ⊢ (𝜑 → (𝐴 + 𝐵) ∈ ℕ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 (class class class)co 7430 + caddc 11216 ℕcn 12348 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pr 5395 ax-un 7761 ax-1cn 11271 ax-addcl 11273 ax-addass 11278 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6311 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6501 df-fun 6549 df-fn 6550 df-f 6551 df-f1 6552 df-fo 6553 df-f1o 6554 df-fv 6555 df-ov 7433 df-om 7888 df-2nd 8012 df-frecs 8313 df-wrecs 8344 df-recs 8393 df-rdg 8432 df-nn 12349 |
| This theorem is used by: nnadddir 12407 relexpaddnn 15219 pythagtriplem4 17012 pythagtriplem6 17014 pythagtriplem7 17015 pythagtriplem11 17018 pythagtriplem13 17020 pythagtriplem15 17022 vdwlem1 17174 vdwlem3 17176 vdwlem5 17178 vdwlem6 17179 vdwlem8 17181 vdwlem9 17182 vdwlem10 17183 vdwlem11 17184 prmgaplem2 17243 prmgaplcmlem2 17245 gsumsgrpccat 19051 aaliou3lem8 26687 lgsqrlem2 27689 lgseisenlem2 27718 2sqmod 27778 flt4lem6 28003 mdetlap 34520 ballotlem5 35188 faclimlem1 36638 faclimlem2 36639 faclim2 36643 lcmineqlem22 43243 zaddcom 43671 fimgmcyc 43741 fmtnoprmfac2 48794 gbowpos 48999 |
| Copyright terms: Public domain | W3C validator |