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Mirrors > Home > MPE Home > Th. List > Mathboxes > mulcomnni | Structured version Visualization version GIF version |
Description: Commutative law for multiplication. (Contributed by metakunt, 25-Apr-2024.) |
Ref | Expression |
---|---|
mulcomnni.1 | ⊢ 𝐴 ∈ ℕ |
mulcomnni.2 | ⊢ 𝐵 ∈ ℕ |
Ref | Expression |
---|---|
mulcomnni | ⊢ (𝐴 · 𝐵) = (𝐵 · 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mulcomnni.1 | . . 3 ⊢ 𝐴 ∈ ℕ | |
2 | 1 | nncni 11626 | . 2 ⊢ 𝐴 ∈ ℂ |
3 | mulcomnni.2 | . . 3 ⊢ 𝐵 ∈ ℕ | |
4 | 3 | nncni 11626 | . 2 ⊢ 𝐵 ∈ ℂ |
5 | 2, 4 | mulcomi 10627 | 1 ⊢ (𝐴 · 𝐵) = (𝐵 · 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ∈ wcel 2114 (class class class)co 7133 · cmul 10520 ℕcn 11616 |
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 2792 ax-sep 5179 ax-nul 5186 ax-pow 5242 ax-pr 5306 ax-un 7439 ax-1cn 10573 ax-addcl 10575 ax-mulcom 10579 |
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 2653 df-clab 2799 df-cleq 2813 df-clel 2891 df-nfc 2959 df-ne 3007 df-ral 3130 df-rex 3131 df-reu 3132 df-rab 3134 df-v 3475 df-sbc 3753 df-csb 3861 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3932 df-nul 4270 df-if 4444 df-pw 4517 df-sn 4544 df-pr 4546 df-tp 4548 df-op 4550 df-uni 4815 df-iun 4897 df-br 5043 df-opab 5105 df-mpt 5123 df-tr 5149 df-id 5436 df-eprel 5441 df-po 5450 df-so 5451 df-fr 5490 df-we 5492 df-xp 5537 df-rel 5538 df-cnv 5539 df-co 5540 df-dm 5541 df-rn 5542 df-res 5543 df-ima 5544 df-pred 6124 df-ord 6170 df-on 6171 df-lim 6172 df-suc 6173 df-iota 6290 df-fun 6333 df-fn 6334 df-f 6335 df-f1 6336 df-fo 6337 df-f1o 6338 df-fv 6339 df-ov 7136 df-om 7559 df-wrecs 7925 df-recs 7986 df-rdg 8024 df-nn 11617 |
This theorem is referenced by: 12gcd5e1 39155 60gcd6e6 39156 420gcd8e4 39158 lcmeprodgcdi 39159 60lcm6e60 39161 420lcm8e840 39163 |
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