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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 16607 | . 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 7416 ℤcz 12618 gcd cgcd 16588 |
| 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 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-mulcl 11189 ax-i2m1 11195 ax-pre-lttri 11201 ax-pre-lttrn 11202 |
| 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 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 3367 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7419 df-oprab 7420 df-mpo 7421 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-sup 9415 df-pnf 11272 df-mnf 11273 df-ltxr 11275 df-gcd 16589 |
| This theorem is used by: modgcd 16626 rplpwr 16652 rprpwr 16653 coprmprod 16755 rpexp12i 16819 phiprmpw 16871 eulerthlem1 16876 eulerthlem2 16877 prmdiv 16880 coprimeprodsq 16904 pythagtriplem3 16914 prmpwdvds 17000 prmgaplem7 17153 gexexlem 19980 ablfacrp2 20197 pgpfac1lem2 20205 mpodvdsmulf1o 27428 dvdsmulf1o 27430 perfect1 27462 perfectlem1 27463 lgslem1 27531 lgsqrlem2 27581 lgsqr 27585 gausslemma2dlem0c 27592 lgsquad2lem2 27619 lgsquad2 27620 lgsquad3 27621 2sqlem8 27660 2sqmod 27670 nn0prpwlem 36928 aks4d1p8d2 42938 aks4d1p8d3 42939 hashscontpow1 42974 aks6d1c4 42977 aks5 43057 fltbccoprm 43474 flt4lem3 43481 flt4lem5c 43487 flt4lem5d 43488 flt4lem5e 43489 flt4lem5f 43490 flt4lem7 43492 nna4b4nsq 43493 jm2.19lem2 43818 jm2.20nn 43825 perfectALTVlem1 48624 |
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