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| Mirrors > Home > MPE Home > Th. List > gcdcomd | Structured version Visualization version GIF version | ||
| Description: The gcd operator is commutative, deduction version. (Contributed by SN, 24-Aug-2024.) |
| Ref | Expression |
|---|---|
| gcdcomd.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| gcdcomd.n | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
| Ref | Expression |
|---|---|
| gcdcomd | ⊢ (𝜑 → (𝑀 gcd 𝑁) = (𝑁 gcd 𝑀)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | gcdcomd.m | . 2 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 2 | gcdcomd.n | . 2 ⊢ (𝜑 → 𝑁 ∈ ℤ) | |
| 3 | gcdcom 16650 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 gcd 𝑁) = (𝑁 gcd 𝑀)) | |
| 4 | 1, 2, 3 | syl2anc 596 | 1 ⊢ (𝜑 → (𝑀 gcd 𝑁) = (𝑁 gcd 𝑀)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 (class class class)co 7408 ℤcz 12662 gcd cgcd 16631 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-mulcl 11233 ax-i2m1 11239 ax-pre-lttri 11245 ax-pre-lttrn 11246 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5542 df-po 5555 df-so 5556 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-ov 7411 df-oprab 7412 df-mpo 7413 df-er 8695 df-en 8952 df-dom 8953 df-sdom 8954 df-sup 9412 df-pnf 11316 df-mnf 11317 df-ltxr 11319 df-gcd 16632 |
| This theorem is used by: modgcd 16669 rplpwr 16695 rprpwr 16696 coprmprod 16798 rpexp12i 16862 phiprmpw 16914 eulerthlem1 16919 eulerthlem2 16920 prmdiv 16923 coprimeprodsq 16947 pythagtriplem3 16957 prmpwdvds 17043 prmgaplem7 17196 gexexlem 20027 ablfacrp2 20244 pgpfac1lem2 20252 mpodvdsmulf1o 27484 dvdsmulf1o 27486 perfect1 27518 perfectlem1 27519 lgslem1 27587 lgsqrlem2 27637 lgsqr 27641 gausslemma2dlem0c 27648 lgsquad2lem2 27675 lgsquad2 27676 lgsquad3 27677 2sqlem8 27716 2sqmod 27726 nn0prpwlem 37032 aks4d1p8d2 43055 aks4d1p8d3 43056 hashscontpow1 43091 aks6d1c4 43094 aks5 43174 fltbccoprm 43591 flt4lem3 43598 flt4lem5c 43604 flt4lem5d 43605 flt4lem5e 43606 flt4lem5f 43607 flt4lem7 43609 nna4b4nsq 43610 jm2.19lem2 43935 jm2.20nn 43942 perfectALTVlem1 48741 |
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