Theorem ltapr 10959

Description: Ordering property of addition. Proposition 9-3.5(v) of [Gleason] p. 123. (Contributed by NM, 8-Apr-1996.) (New usage is discouraged.)

Assertion

Ref	Expression
ltapr	⊢ (𝐶 ∈ P → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))

Proof of Theorem ltapr

Step	Hyp	Ref	Expression
1		dmplp 10926	. 2 ⊢ dom +P = (P × P)
2		ltrelpr 10912	. 2 ⊢ <P ⊆ (P × P)
3		0npr 10906	. 2 ⊢ ¬ ∅ ∈ P
4		ltaprlem 10958	. . . . . 6 ⊢ (𝐶 ∈ P → (𝐴<P 𝐵 → (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
5	4	adantr 480	. . . . 5 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → (𝐴<P 𝐵 → (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
6		olc 869	. . . . . . . . 9 ⊢ ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → ((𝐶 +P 𝐵) = (𝐶 +P 𝐴) ∨ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
7		ltaprlem 10958	. . . . . . . . . . . 12 ⊢ (𝐶 ∈ P → (𝐵<P 𝐴 → (𝐶 +P 𝐵)<P (𝐶 +P 𝐴)))
8	7	adantr 480	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → (𝐵<P 𝐴 → (𝐶 +P 𝐵)<P (𝐶 +P 𝐴)))
9		ltsopr 10946	. . . . . . . . . . . . 13 ⊢ <P Or P
10		sotric 5562	. . . . . . . . . . . . 13 ⊢ ((<P Or P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → (𝐵<P 𝐴 ↔ ¬ (𝐵 = 𝐴 ∨ 𝐴<P 𝐵)))
11	9, 10	mpan 691	. . . . . . . . . . . 12 ⊢ ((𝐵 ∈ P ∧ 𝐴 ∈ P) → (𝐵<P 𝐴 ↔ ¬ (𝐵 = 𝐴 ∨ 𝐴<P 𝐵)))
12	11	adantl 481	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → (𝐵<P 𝐴 ↔ ¬ (𝐵 = 𝐴 ∨ 𝐴<P 𝐵)))
13		addclpr 10932	. . . . . . . . . . . . 13 ⊢ ((𝐶 ∈ P ∧ 𝐵 ∈ P) → (𝐶 +P 𝐵) ∈ P)
14		addclpr 10932	. . . . . . . . . . . . 13 ⊢ ((𝐶 ∈ P ∧ 𝐴 ∈ P) → (𝐶 +P 𝐴) ∈ P)
15	13, 14	anim12dan 620	. . . . . . . . . . . 12 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → ((𝐶 +P 𝐵) ∈ P ∧ (𝐶 +P 𝐴) ∈ P))
16		sotric 5562	. . . . . . . . . . . 12 ⊢ ((<P Or P ∧ ((𝐶 +P 𝐵) ∈ P ∧ (𝐶 +P 𝐴) ∈ P)) → ((𝐶 +P 𝐵)<P (𝐶 +P 𝐴) ↔ ¬ ((𝐶 +P 𝐵) = (𝐶 +P 𝐴) ∨ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵))))
17	9, 15, 16	sylancr 588	. . . . . . . . . . 11 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → ((𝐶 +P 𝐵)<P (𝐶 +P 𝐴) ↔ ¬ ((𝐶 +P 𝐵) = (𝐶 +P 𝐴) ∨ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵))))
18	8, 12, 17	3imtr3d 293	. . . . . . . . . 10 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → (¬ (𝐵 = 𝐴 ∨ 𝐴<P 𝐵) → ¬ ((𝐶 +P 𝐵) = (𝐶 +P 𝐴) ∨ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵))))
19	18	con4d 115	. . . . . . . . 9 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → (((𝐶 +P 𝐵) = (𝐶 +P 𝐴) ∨ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)) → (𝐵 = 𝐴 ∨ 𝐴<P 𝐵)))
20	6, 19	syl5 34	. . . . . . . 8 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → (𝐵 = 𝐴 ∨ 𝐴<P 𝐵)))
21		df-or 849	. . . . . . . 8 ⊢ ((𝐵 = 𝐴 ∨ 𝐴<P 𝐵) ↔ (¬ 𝐵 = 𝐴 → 𝐴<P 𝐵))
22	20, 21	imbitrdi 251	. . . . . . 7 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → (¬ 𝐵 = 𝐴 → 𝐴<P 𝐵)))
23	22	com23 86	. . . . . 6 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → (¬ 𝐵 = 𝐴 → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → 𝐴<P 𝐵)))
24	9, 2	soirri 6083	. . . . . . . 8 ⊢ ¬ (𝐶 +P 𝐴)<P (𝐶 +P 𝐴)
25		oveq2 7368	. . . . . . . . 9 ⊢ (𝐵 = 𝐴 → (𝐶 +P 𝐵) = (𝐶 +P 𝐴))
26	25	breq2d 5098	. . . . . . . 8 ⊢ (𝐵 = 𝐴 → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐴)))
27	24, 26	mtbiri 327	. . . . . . 7 ⊢ (𝐵 = 𝐴 → ¬ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵))
28	27	pm2.21d 121	. . . . . 6 ⊢ (𝐵 = 𝐴 → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → 𝐴<P 𝐵))
29	23, 28	pm2.61d2 181	. . . . 5 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → 𝐴<P 𝐵))
30	5, 29	impbid 212	. . . 4 ⊢ ((𝐶 ∈ P ∧ (𝐵 ∈ P ∧ 𝐴 ∈ P)) → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
31	30	3impb 1115	. . 3 ⊢ ((𝐶 ∈ P ∧ 𝐵 ∈ P ∧ 𝐴 ∈ P) → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
32	31	3com13 1125	. 2 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P ∧ 𝐶 ∈ P) → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
33	1, 2, 3, 32	ndmovord 7550	1 ⊢ (𝐶 ∈ P → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 206   ∧ wa 395   ∨ wo 848   = wceq 1542   ∈ wcel 2114   class class class wbr 5086   Or wor 5531  (class class class)co 7360  Pcnp 10773   +_P cpp 10775  <_P cltp 10777

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5231  ax-nul 5241  ax-pow 5302  ax-pr 5370  ax-un 7682  ax-inf2 9553

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rmo 3343  df-reu 3344  df-rab 3391  df-v 3432  df-sbc 3730  df-csb 3839  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-pss 3910  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-int 4891  df-iun 4936  df-br 5087  df-opab 5149  df-mpt 5168  df-tr 5194  df-id 5519  df-eprel 5524  df-po 5532  df-so 5533  df-fr 5577  df-we 5579  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-pred 6259  df-ord 6320  df-on 6321  df-lim 6322  df-suc 6323  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-ov 7363  df-oprab 7364  df-mpo 7365  df-om 7811  df-1st 7935  df-2nd 7936  df-frecs 8224  df-wrecs 8255  df-recs 8304  df-rdg 8342  df-1o 8398  df-oadd 8402  df-omul 8403  df-er 8636  df-ni 10786  df-pli 10787  df-mi 10788  df-lti 10789  df-plpq 10822  df-mpq 10823  df-ltpq 10824  df-enq 10825  df-nq 10826  df-erq 10827  df-plq 10828  df-mq 10829  df-1nq 10830  df-rq 10831  df-ltnq 10832  df-np 10895  df-plp 10897  df-ltp 10899

This theorem is referenced by:  addcanpr  10960  ltsrpr  10991  gt0srpr  10992  ltsosr  11008  ltasr  11014  ltpsrpr  11023  map2psrpr  11024