Theorem omndadd2d 20201

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

Hypotheses

Ref	Expression
omndadd.0	⊢ 𝐵 = (Base‘𝑀)
omndadd.1	⊢ ≤ = (le‘𝑀)
omndadd.2	⊢ + = (+g‘𝑀)
omndadd2d.m	⊢ (𝜑 → 𝑀 ∈ oMnd)
omndadd2d.w	⊢ (𝜑 → 𝑊 ∈ 𝐵)
omndadd2d.x	⊢ (𝜑 → 𝑋 ∈ 𝐵)
omndadd2d.y	⊢ (𝜑 → 𝑌 ∈ 𝐵)
omndadd2d.z	⊢ (𝜑 → 𝑍 ∈ 𝐵)
omndadd2d.1	⊢ (𝜑 → 𝑋 ≤ 𝑍)
omndadd2d.2	⊢ (𝜑 → 𝑌 ≤ 𝑊)
omndadd2d.c	⊢ (𝜑 → 𝑀 ∈ CMnd)

Assertion

Ref	Expression
omndadd2d	⊢ (𝜑 → (𝑋 + 𝑌) ≤ (𝑍 + 𝑊))

Proof of Theorem omndadd2d

Step	Hyp	Ref	Expression
1		omndadd2d.m	. . 3 ⊢ (𝜑 → 𝑀 ∈ oMnd)
2		omndtos 20198	. . 3 ⊢ (𝑀 ∈ oMnd → 𝑀 ∈ Toset)
3		tospos 18475	. . 3 ⊢ (𝑀 ∈ Toset → 𝑀 ∈ Poset)
4	1, 2, 3	3syl 19	. 2 ⊢ (𝜑 → 𝑀 ∈ Poset)
5		omndmnd 20197	. . . . 5 ⊢ (𝑀 ∈ oMnd → 𝑀 ∈ Mnd)
6	1, 5	syl 18	. . . 4 ⊢ (𝜑 → 𝑀 ∈ Mnd)
7		omndadd2d.x	. . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐵)
8		omndadd2d.y	. . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝐵)
9		omndadd.0	. . . . 5 ⊢ 𝐵 = (Base‘𝑀)
10		omndadd.2	. . . . 5 ⊢ + = (+g‘𝑀)
11	9, 10	mndcl 18801	. . . 4 ⊢ ((𝑀 ∈ Mnd ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 + 𝑌) ∈ 𝐵)
12	6, 7, 8, 11	syl3anc 1398	. . 3 ⊢ (𝜑 → (𝑋 + 𝑌) ∈ 𝐵)
13		omndadd2d.z	. . . 4 ⊢ (𝜑 → 𝑍 ∈ 𝐵)
14	9, 10	mndcl 18801	. . . 4 ⊢ ((𝑀 ∈ Mnd ∧ 𝑍 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑍 + 𝑌) ∈ 𝐵)
15	6, 13, 8, 14	syl3anc 1398	. . 3 ⊢ (𝜑 → (𝑍 + 𝑌) ∈ 𝐵)
16		omndadd2d.w	. . . 4 ⊢ (𝜑 → 𝑊 ∈ 𝐵)
17	9, 10	mndcl 18801	. . . 4 ⊢ ((𝑀 ∈ Mnd ∧ 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑍 + 𝑊) ∈ 𝐵)
18	6, 13, 16, 17	syl3anc 1398	. . 3 ⊢ (𝜑 → (𝑍 + 𝑊) ∈ 𝐵)
19	12, 15, 18	3jca 1146	. 2 ⊢ (𝜑 → ((𝑋 + 𝑌) ∈ 𝐵 ∧ (𝑍 + 𝑌) ∈ 𝐵 ∧ (𝑍 + 𝑊) ∈ 𝐵))
20		omndadd2d.1	. . 3 ⊢ (𝜑 → 𝑋 ≤ 𝑍)
21		omndadd.1	. . . 4 ⊢ ≤ = (le‘𝑀)
22	9, 21, 10	omndadd 20199	. . 3 ⊢ ((𝑀 ∈ oMnd ∧ (𝑋 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ 𝑋 ≤ 𝑍) → (𝑋 + 𝑌) ≤ (𝑍 + 𝑌))
23	1, 7, 13, 8, 20, 22	syl131anc 1410	. 2 ⊢ (𝜑 → (𝑋 + 𝑌) ≤ (𝑍 + 𝑌))
24		omndadd2d.2	. . . 4 ⊢ (𝜑 → 𝑌 ≤ 𝑊)
25	9, 21, 10	omndadd 20199	. . . 4 ⊢ ((𝑀 ∈ oMnd ∧ (𝑌 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) ∧ 𝑌 ≤ 𝑊) → (𝑌 + 𝑍) ≤ (𝑊 + 𝑍))
26	1, 8, 16, 13, 24, 25	syl131anc 1410	. . 3 ⊢ (𝜑 → (𝑌 + 𝑍) ≤ (𝑊 + 𝑍))
27		omndadd2d.c	. . . 4 ⊢ (𝜑 → 𝑀 ∈ CMnd)
28	9, 10	cmncom 19869	. . . 4 ⊢ ((𝑀 ∈ CMnd ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) → (𝑌 + 𝑍) = (𝑍 + 𝑌))
29	27, 8, 13, 28	syl3anc 1398	. . 3 ⊢ (𝜑 → (𝑌 + 𝑍) = (𝑍 + 𝑌))
30	9, 10	cmncom 19869	. . . 4 ⊢ ((𝑀 ∈ CMnd ∧ 𝑊 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) → (𝑊 + 𝑍) = (𝑍 + 𝑊))
31	27, 16, 13, 30	syl3anc 1398	. . 3 ⊢ (𝜑 → (𝑊 + 𝑍) = (𝑍 + 𝑊))
32	26, 29, 31	3brtr3d 5143	. 2 ⊢ (𝜑 → (𝑍 + 𝑌) ≤ (𝑍 + 𝑊))
33	9, 21	postr 18377	. . 3 ⊢ ((𝑀 ∈ Poset ∧ ((𝑋 + 𝑌) ∈ 𝐵 ∧ (𝑍 + 𝑌) ∈ 𝐵 ∧ (𝑍 + 𝑊) ∈ 𝐵)) → (((𝑋 + 𝑌) ≤ (𝑍 + 𝑌) ∧ (𝑍 + 𝑌) ≤ (𝑍 + 𝑊)) → (𝑋 + 𝑌) ≤ (𝑍 + 𝑊)))
34	33	imp 411	. 2 ⊢ (((𝑀 ∈ Poset ∧ ((𝑋 + 𝑌) ∈ 𝐵 ∧ (𝑍 + 𝑌) ∈ 𝐵 ∧ (𝑍 + 𝑊) ∈ 𝐵)) ∧ ((𝑋 + 𝑌) ≤ (𝑍 + 𝑌) ∧ (𝑍 + 𝑌) ≤ (𝑍 + 𝑊))) → (𝑋 + 𝑌) ≤ (𝑍 + 𝑊))
35	4, 19, 23, 32, 34	syl22anc 851	1 ⊢ (𝜑 → (𝑋 + 𝑌) ≤ (𝑍 + 𝑊))

Syntax hints:   → wi 4   ∧ wa 400   ∧ w3a 1103   = wceq 1570   ∈ wcel 2143   class class class wbr 5110  ‘cfv 6538  (class class class)co 7412  Basecbs 17270  +_gcplusg 17311  lecple 17318  Posetcpo 18364  Tosetctos 18471  Mndcmnd 18793  CMndccmn 19851  oMndcomnd 20190

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-12 2213  ax-ext 2735  ax-nul 5270

This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-sb 2097  df-clab 2742  df-cleq 2755  df-clel 2838  df-ne 2959  df-ral 3080  df-rex 3090  df-rab 3417  df-v 3457  df-sbc 3746  df-dif 3909  df-un 3911  df-ss 3923  df-nul 4288  df-if 4489  df-sn 4591  df-pr 4593  df-op 4597  df-uni 4874  df-br 5111  df-iota 6494  df-fv 6546  df-ov 7415  df-poset 18370  df-toset 18472  df-mgm 18699  df-sgrp 18778  df-mnd 18794  df-cmn 19853  df-omnd 20192

This theorem is referenced by:  omndmul  20206  gsumle  20216