![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > nn0addcl | Structured version Visualization version GIF version |
Description: Closure of addition of nonnegative integers. (Contributed by Raph Levien, 10-Dec-2002.) (Proof shortened by Mario Carneiro, 17-Jul-2014.) |
Ref | Expression |
---|---|
nn0addcl | ⊢ ((𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0) → (𝑀 + 𝑁) ∈ ℕ0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnsscn 12117 | . 2 ⊢ ℕ ⊆ ℂ | |
2 | id 22 | . . 3 ⊢ (ℕ ⊆ ℂ → ℕ ⊆ ℂ) | |
3 | df-n0 12373 | . . 3 ⊢ ℕ0 = (ℕ ∪ {0}) | |
4 | nnaddcl 12135 | . . . 4 ⊢ ((𝑀 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝑀 + 𝑁) ∈ ℕ) | |
5 | 4 | adantl 483 | . . 3 ⊢ ((ℕ ⊆ ℂ ∧ (𝑀 ∈ ℕ ∧ 𝑁 ∈ ℕ)) → (𝑀 + 𝑁) ∈ ℕ) |
6 | 2, 3, 5 | un0addcl 12405 | . 2 ⊢ ((ℕ ⊆ ℂ ∧ (𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0)) → (𝑀 + 𝑁) ∈ ℕ0) |
7 | 1, 6 | mpan 689 | 1 ⊢ ((𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0) → (𝑀 + 𝑁) ∈ ℕ0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 397 ∈ wcel 2107 ⊆ wss 3909 (class class class)co 7352 ℂcc 11008 + caddc 11013 ℕcn 12112 ℕ0cn0 12372 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2709 ax-sep 5255 ax-nul 5262 ax-pow 5319 ax-pr 5383 ax-un 7665 ax-resscn 11067 ax-1cn 11068 ax-icn 11069 ax-addcl 11070 ax-addrcl 11071 ax-mulcl 11072 ax-mulrcl 11073 ax-mulcom 11074 ax-addass 11075 ax-mulass 11076 ax-distr 11077 ax-i2m1 11078 ax-1ne0 11079 ax-1rid 11080 ax-rnegex 11081 ax-rrecex 11082 ax-cnre 11083 ax-pre-lttri 11084 ax-pre-lttrn 11085 ax-pre-ltadd 11086 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3064 df-rex 3073 df-reu 3353 df-rab 3407 df-v 3446 df-sbc 3739 df-csb 3855 df-dif 3912 df-un 3914 df-in 3916 df-ss 3926 df-pss 3928 df-nul 4282 df-if 4486 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4865 df-iun 4955 df-br 5105 df-opab 5167 df-mpt 5188 df-tr 5222 df-id 5530 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5587 df-we 5589 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6252 df-ord 6319 df-on 6320 df-lim 6321 df-suc 6322 df-iota 6446 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-ov 7355 df-om 7796 df-2nd 7915 df-frecs 8205 df-wrecs 8236 df-recs 8310 df-rdg 8349 df-er 8607 df-en 8843 df-dom 8844 df-sdom 8845 df-pnf 11150 df-mnf 11151 df-ltxr 11153 df-nn 12113 df-n0 12373 |
This theorem is referenced by: nn0addcli 12409 peano2nn0 12412 nn0addcld 12436 nn0readdcl 12438 xnn0xaddcl 13109 difelfznle 13510 elfzodifsumelfzo 13593 modsumfzodifsn 13804 expadd 13965 faclbnd4lem3 14149 faclbnd5 14152 faclbnd6 14153 facavg 14155 ccatlen 14417 ccatrn 14431 ccatalpha 14435 swrdccat2 14515 swrdswrdlem 14550 swrdswrd 14551 swrdccatin1 14571 pfxccatin12lem3 14578 splfv2a 14602 repswswrd 14630 repswccat 14632 cshwcsh2id 14675 fsumnn0cl 15581 bcxmas 15680 nn0risefaccl 15865 eftlub 15951 4sqlem1 16780 psgnunilem2 19236 sylow1lem1 19339 nn0subm 20805 expmhm 20819 psrbagaddcl 21283 psrbagaddclOLD 21284 dvnadd 25245 ply1divex 25453 coemullem 25563 coemulhi 25567 plymul0or 25593 chtublem 26511 2sqlem7 26724 crctcshwlkn0lem4 28587 clwwlkccatlem 28762 fac2xp3 40544 factwoffsmonot 40547 mhphflem 40673 fmtnofac2lem 45655 nn0mnd 46008 ply1mulgsumlem1 46362 |
Copyright terms: Public domain | W3C validator |