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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 16577 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 gcd 𝑁) = (𝑁 gcd 𝑀)) | |
| 4 | 1, 2, 3 | syl2anc 595 | 1 ⊢ (𝜑 → (𝑀 gcd 𝑁) = (𝑁 gcd 𝑀)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2142 (class class class)co 7412 ℤcz 12597 gcd cgcd 16558 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-mulcl 11168 ax-i2m1 11174 ax-pre-lttri 11180 ax-pre-lttrn 11181 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3368 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-br 5109 df-opab 5173 df-mpt 5192 df-id 5555 df-po 5568 df-so 5569 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7415 df-oprab 7416 df-mpo 7417 df-er 8692 df-en 8942 df-dom 8943 df-sdom 8944 df-sup 9400 df-pnf 11251 df-mnf 11252 df-ltxr 11254 df-gcd 16559 |
| This theorem is used by: modgcd 16596 rplpwr 16622 rprpwr 16623 coprmprod 16725 rpexp12i 16789 phiprmpw 16841 eulerthlem1 16846 eulerthlem2 16847 prmdiv 16850 coprimeprodsq 16874 pythagtriplem3 16884 prmpwdvds 16970 prmgaplem7 17123 gexexlem 19928 ablfacrp2 20145 pgpfac1lem2 20153 mpodvdsmulf1o 27369 dvdsmulf1o 27371 perfect1 27403 perfectlem1 27404 lgslem1 27472 lgsqrlem2 27522 lgsqr 27526 gausslemma2dlem0c 27533 lgsquad2lem2 27560 lgsquad2 27561 lgsquad3 27562 2sqlem8 27601 2sqmod 27611 nn0prpwlem 36861 aks4d1p8d2 42880 aks4d1p8d3 42881 hashscontpow1 42916 aks6d1c4 42919 aks5 42999 fltbccoprm 43401 flt4lem3 43408 flt4lem5c 43414 flt4lem5d 43415 flt4lem5e 43416 flt4lem5f 43417 flt4lem7 43419 nna4b4nsq 43420 jm2.19lem2 43745 jm2.20nn 43752 perfectALTVlem1 48514 |
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