Theorem omndmul 29714

Description: In a commutative ordered monoid, the ordering is compatible with group power. (Contributed by Thierry Arnoux, 30-Jan-2018.)

Hypotheses

Ref	Expression
omndmul.0	⊢ 𝐵 = (Base‘𝑀)
omndmul.1	⊢ ≤ = (le‘𝑀)
omndmul.2	⊢ · = (.g‘𝑀)
omndmul.o	⊢ (𝜑 → 𝑀 ∈ oMnd)
omndmul.c	⊢ (𝜑 → 𝑀 ∈ CMnd)
omndmul.x	⊢ (𝜑 → 𝑋 ∈ 𝐵)
omndmul.y	⊢ (𝜑 → 𝑌 ∈ 𝐵)
omndmul.n	⊢ (𝜑 → 𝑁 ∈ ℕ0)
omndmul.l	⊢ (𝜑 → 𝑋 ≤ 𝑌)

Assertion

Ref	Expression
omndmul	⊢ (𝜑 → (𝑁 · 𝑋) ≤ (𝑁 · 𝑌))

Proof of Theorem omndmul

Dummy variables 𝑚 𝑛 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		omndmul.n	. 2 ⊢ (𝜑 → 𝑁 ∈ ℕ0)
2		oveq1 6657	. . . 4 ⊢ (𝑚 = 0 → (𝑚 · 𝑋) = (0 · 𝑋))
3		oveq1 6657	. . . 4 ⊢ (𝑚 = 0 → (𝑚 · 𝑌) = (0 · 𝑌))
4	2, 3	breq12d 4666	. . 3 ⊢ (𝑚 = 0 → ((𝑚 · 𝑋) ≤ (𝑚 · 𝑌) ↔ (0 · 𝑋) ≤ (0 · 𝑌)))
5		oveq1 6657	. . . 4 ⊢ (𝑚 = 𝑛 → (𝑚 · 𝑋) = (𝑛 · 𝑋))
6		oveq1 6657	. . . 4 ⊢ (𝑚 = 𝑛 → (𝑚 · 𝑌) = (𝑛 · 𝑌))
7	5, 6	breq12d 4666	. . 3 ⊢ (𝑚 = 𝑛 → ((𝑚 · 𝑋) ≤ (𝑚 · 𝑌) ↔ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)))
8		oveq1 6657	. . . 4 ⊢ (𝑚 = (𝑛 + 1) → (𝑚 · 𝑋) = ((𝑛 + 1) · 𝑋))
9		oveq1 6657	. . . 4 ⊢ (𝑚 = (𝑛 + 1) → (𝑚 · 𝑌) = ((𝑛 + 1) · 𝑌))
10	8, 9	breq12d 4666	. . 3 ⊢ (𝑚 = (𝑛 + 1) → ((𝑚 · 𝑋) ≤ (𝑚 · 𝑌) ↔ ((𝑛 + 1) · 𝑋) ≤ ((𝑛 + 1) · 𝑌)))
11		oveq1 6657	. . . 4 ⊢ (𝑚 = 𝑁 → (𝑚 · 𝑋) = (𝑁 · 𝑋))
12		oveq1 6657	. . . 4 ⊢ (𝑚 = 𝑁 → (𝑚 · 𝑌) = (𝑁 · 𝑌))
13	11, 12	breq12d 4666	. . 3 ⊢ (𝑚 = 𝑁 → ((𝑚 · 𝑋) ≤ (𝑚 · 𝑌) ↔ (𝑁 · 𝑋) ≤ (𝑁 · 𝑌)))
14		omndmul.o	. . . . . 6 ⊢ (𝜑 → 𝑀 ∈ oMnd)
15		omndtos 29705	. . . . . 6 ⊢ (𝑀 ∈ oMnd → 𝑀 ∈ Toset)
16		tospos 29658	. . . . . 6 ⊢ (𝑀 ∈ Toset → 𝑀 ∈ Poset)
17	14, 15, 16	3syl 18	. . . . 5 ⊢ (𝜑 → 𝑀 ∈ Poset)
18		omndmul.y	. . . . . . 7 ⊢ (𝜑 → 𝑌 ∈ 𝐵)
19		omndmul.0	. . . . . . . 8 ⊢ 𝐵 = (Base‘𝑀)
20		eqid 2622	. . . . . . . 8 ⊢ (0g‘𝑀) = (0g‘𝑀)
21		omndmul.2	. . . . . . . 8 ⊢ · = (.g‘𝑀)
22	19, 20, 21	mulg0 17546	. . . . . . 7 ⊢ (𝑌 ∈ 𝐵 → (0 · 𝑌) = (0g‘𝑀))
23	18, 22	syl 17	. . . . . 6 ⊢ (𝜑 → (0 · 𝑌) = (0g‘𝑀))
24		omndmnd 29704	. . . . . . 7 ⊢ (𝑀 ∈ oMnd → 𝑀 ∈ Mnd)
25	19, 20	mndidcl 17308	. . . . . . 7 ⊢ (𝑀 ∈ Mnd → (0g‘𝑀) ∈ 𝐵)
26	14, 24, 25	3syl 18	. . . . . 6 ⊢ (𝜑 → (0g‘𝑀) ∈ 𝐵)
27	23, 26	eqeltrd 2701	. . . . 5 ⊢ (𝜑 → (0 · 𝑌) ∈ 𝐵)
28		omndmul.1	. . . . . 6 ⊢ ≤ = (le‘𝑀)
29	19, 28	posref 16951	. . . . 5 ⊢ ((𝑀 ∈ Poset ∧ (0 · 𝑌) ∈ 𝐵) → (0 · 𝑌) ≤ (0 · 𝑌))
30	17, 27, 29	syl2anc 693	. . . 4 ⊢ (𝜑 → (0 · 𝑌) ≤ (0 · 𝑌))
31		omndmul.x	. . . . 5 ⊢ (𝜑 → 𝑋 ∈ 𝐵)
32	19, 20, 21	mulg0 17546	. . . . . . . 8 ⊢ (𝑋 ∈ 𝐵 → (0 · 𝑋) = (0g‘𝑀))
33	32	adantr 481	. . . . . . 7 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (0 · 𝑋) = (0g‘𝑀))
34	22	adantl 482	. . . . . . 7 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (0 · 𝑌) = (0g‘𝑀))
35	33, 34	eqtr4d 2659	. . . . . 6 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (0 · 𝑋) = (0 · 𝑌))
36	35	breq1d 4663	. . . . 5 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → ((0 · 𝑋) ≤ (0 · 𝑌) ↔ (0 · 𝑌) ≤ (0 · 𝑌)))
37	31, 18, 36	syl2anc 693	. . . 4 ⊢ (𝜑 → ((0 · 𝑋) ≤ (0 · 𝑌) ↔ (0 · 𝑌) ≤ (0 · 𝑌)))
38	30, 37	mpbird 247	. . 3 ⊢ (𝜑 → (0 · 𝑋) ≤ (0 · 𝑌))
39		eqid 2622	. . . . 5 ⊢ (+g‘𝑀) = (+g‘𝑀)
40	14	ad2antrr 762	. . . . 5 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → 𝑀 ∈ oMnd)
41	18	ad2antrr 762	. . . . 5 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → 𝑌 ∈ 𝐵)
42	40, 24	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → 𝑀 ∈ Mnd)
43		simplr 792	. . . . . 6 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → 𝑛 ∈ ℕ0)
44	31	ad2antrr 762	. . . . . 6 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → 𝑋 ∈ 𝐵)
45	19, 21	mulgnn0cl 17558	. . . . . 6 ⊢ ((𝑀 ∈ Mnd ∧ 𝑛 ∈ ℕ0 ∧ 𝑋 ∈ 𝐵) → (𝑛 · 𝑋) ∈ 𝐵)
46	42, 43, 44, 45	syl3anc 1326	. . . . 5 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → (𝑛 · 𝑋) ∈ 𝐵)
47	19, 21	mulgnn0cl 17558	. . . . . 6 ⊢ ((𝑀 ∈ Mnd ∧ 𝑛 ∈ ℕ0 ∧ 𝑌 ∈ 𝐵) → (𝑛 · 𝑌) ∈ 𝐵)
48	42, 43, 41, 47	syl3anc 1326	. . . . 5 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → (𝑛 · 𝑌) ∈ 𝐵)
49		simpr 477	. . . . 5 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → (𝑛 · 𝑋) ≤ (𝑛 · 𝑌))
50		omndmul.l	. . . . . 6 ⊢ (𝜑 → 𝑋 ≤ 𝑌)
51	50	ad2antrr 762	. . . . 5 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → 𝑋 ≤ 𝑌)
52		omndmul.c	. . . . . 6 ⊢ (𝜑 → 𝑀 ∈ CMnd)
53	52	ad2antrr 762	. . . . 5 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → 𝑀 ∈ CMnd)
54	19, 28, 39, 40, 41, 46, 44, 48, 49, 51, 53	omndadd2d 29708	. . . 4 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → ((𝑛 · 𝑋)(+g‘𝑀)𝑋) ≤ ((𝑛 · 𝑌)(+g‘𝑀)𝑌))
55	19, 21, 39	mulgnn0p1 17552	. . . . 5 ⊢ ((𝑀 ∈ Mnd ∧ 𝑛 ∈ ℕ0 ∧ 𝑋 ∈ 𝐵) → ((𝑛 + 1) · 𝑋) = ((𝑛 · 𝑋)(+g‘𝑀)𝑋))
56	42, 43, 44, 55	syl3anc 1326	. . . 4 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → ((𝑛 + 1) · 𝑋) = ((𝑛 · 𝑋)(+g‘𝑀)𝑋))
57	19, 21, 39	mulgnn0p1 17552	. . . . 5 ⊢ ((𝑀 ∈ Mnd ∧ 𝑛 ∈ ℕ0 ∧ 𝑌 ∈ 𝐵) → ((𝑛 + 1) · 𝑌) = ((𝑛 · 𝑌)(+g‘𝑀)𝑌))
58	42, 43, 41, 57	syl3anc 1326	. . . 4 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → ((𝑛 + 1) · 𝑌) = ((𝑛 · 𝑌)(+g‘𝑀)𝑌))
59	54, 56, 58	3brtr4d 4685	. . 3 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ0) ∧ (𝑛 · 𝑋) ≤ (𝑛 · 𝑌)) → ((𝑛 + 1) · 𝑋) ≤ ((𝑛 + 1) · 𝑌))
60	4, 7, 10, 13, 38, 59	nn0indd 11474	. 2 ⊢ ((𝜑 ∧ 𝑁 ∈ ℕ0) → (𝑁 · 𝑋) ≤ (𝑁 · 𝑌))
61	1, 60	mpdan 702	1 ⊢ (𝜑 → (𝑁 · 𝑋) ≤ (𝑁 · 𝑌))

Syntax hints:   → wi 4   ↔ wb 196   ∧ wa 384   = wceq 1483   ∈ wcel 1990   class class class wbr 4653  ‘cfv 5888  (class class class)co 6650  0cc0 9936  1c1 9937   + caddc 9939  ℕ₀cn0 11292  Basecbs 15857  +_gcplusg 15941  lecple 15948  0_gc0g 16100  Posetcpo 16940  Tosetctos 17033  Mndcmnd 17294  ._gcmg 17540  CMndccmn 18193  oMndcomnd 29697

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-inf2 8538  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-er 7742  df-en 7956  df-dom 7957  df-sdom 7958  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-nn 11021  df-n0 11293  df-z 11378  df-uz 11688  df-fz 12327  df-seq 12802  df-0g 16102  df-preset 16928  df-poset 16946  df-toset 17034  df-mgm 17242  df-sgrp 17284  df-mnd 17295  df-mulg 17541  df-cmn 18195  df-omnd 29699

This theorem is referenced by: (None)