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Mirrors > Home > MPE Home > Th. List > nnmulcld | Structured version Visualization version GIF version |
Description: Closure of multiplication of positive integers. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
nnge1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℕ) |
nnmulcld.2 | ⊢ (𝜑 → 𝐵 ∈ ℕ) |
Ref | Expression |
---|---|
nnmulcld | ⊢ (𝜑 → (𝐴 · 𝐵) ∈ ℕ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnge1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
2 | nnmulcld.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℕ) | |
3 | nnmulcl 11662 | . 2 ⊢ ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ) → (𝐴 · 𝐵) ∈ ℕ) | |
4 | 1, 2, 3 | syl2anc 586 | 1 ⊢ (𝜑 → (𝐴 · 𝐵) ∈ ℕ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 (class class class)co 7156 · cmul 10542 ℕcn 11638 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-addass 10602 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rrecex 10609 ax-cnre 10610 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-ov 7159 df-om 7581 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-nn 11639 |
This theorem is referenced by: bcm1k 13676 bcp1n 13677 permnn 13687 trireciplem 15217 efaddlem 15446 eftlub 15462 eirrlem 15557 modmulconst 15641 isprm5 16051 crth 16115 phimullem 16116 pcqmul 16190 pcaddlem 16224 pcbc 16236 oddprmdvds 16239 pockthlem 16241 pockthg 16242 vdwlem3 16319 vdwlem6 16322 vdwlem9 16325 torsubg 18974 ablfacrp 19188 dgrcolem1 24863 aalioulem5 24925 aaliou3lem2 24932 log2cnv 25522 log2tlbnd 25523 log2ublem2 25525 log2ub 25527 lgamgulmlem4 25609 wilthlem2 25646 ftalem7 25656 basellem5 25662 mumul 25758 fsumfldivdiaglem 25766 dvdsmulf1o 25771 sgmmul 25777 chtublem 25787 bcmono 25853 bposlem3 25862 bposlem5 25864 gausslemma2dlem1a 25941 lgsquadlem2 25957 lgsquadlem3 25958 lgsquad2lem2 25961 2sqlem6 25999 2sqmod 26012 rplogsumlem1 26060 rplogsumlem2 26061 dchrisum0fmul 26082 vmalogdivsum2 26114 pntrsumbnd2 26143 pntpbnd1 26162 pntpbnd2 26163 ostth2lem2 26210 oddpwdc 31612 eulerpartlemgh 31636 subfaclim 32435 bcprod 32970 faclim2 32980 nnadddir 39212 jm2.27c 39653 relexpmulnn 40103 mccllem 41927 limsup10exlem 42102 wallispilem5 42403 wallispi2lem1 42405 wallispi2 42407 stirlinglem3 42410 stirlinglem8 42415 stirlinglem15 42422 dirkertrigeqlem3 42434 hoicvrrex 42887 deccarry 43560 fmtnoprmfac2 43778 sfprmdvdsmersenne 43817 lighneallem3 43821 proththdlem 43827 fppr2odd 43945 blennnt2 44698 |
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