MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  ltapr Structured version   Visualization version   GIF version

Theorem ltapr 10464
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 (𝐶P → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))

Proof of Theorem ltapr
StepHypRef Expression
1 dmplp 10431 . 2 dom +P = (P × P)
2 ltrelpr 10417 . 2 <P ⊆ (P × P)
3 0npr 10411 . 2 ¬ ∅ ∈ P
4 ltaprlem 10463 . . . . . 6 (𝐶P → (𝐴<P 𝐵 → (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
54adantr 483 . . . . 5 ((𝐶P ∧ (𝐵P𝐴P)) → (𝐴<P 𝐵 → (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
6 olc 864 . . . . . . . . 9 ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → ((𝐶 +P 𝐵) = (𝐶 +P 𝐴) ∨ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
7 ltaprlem 10463 . . . . . . . . . . . 12 (𝐶P → (𝐵<P 𝐴 → (𝐶 +P 𝐵)<P (𝐶 +P 𝐴)))
87adantr 483 . . . . . . . . . . 11 ((𝐶P ∧ (𝐵P𝐴P)) → (𝐵<P 𝐴 → (𝐶 +P 𝐵)<P (𝐶 +P 𝐴)))
9 ltsopr 10451 . . . . . . . . . . . . 13 <P Or P
10 sotric 5498 . . . . . . . . . . . . 13 ((<P Or P ∧ (𝐵P𝐴P)) → (𝐵<P 𝐴 ↔ ¬ (𝐵 = 𝐴𝐴<P 𝐵)))
119, 10mpan 688 . . . . . . . . . . . 12 ((𝐵P𝐴P) → (𝐵<P 𝐴 ↔ ¬ (𝐵 = 𝐴𝐴<P 𝐵)))
1211adantl 484 . . . . . . . . . . 11 ((𝐶P ∧ (𝐵P𝐴P)) → (𝐵<P 𝐴 ↔ ¬ (𝐵 = 𝐴𝐴<P 𝐵)))
13 addclpr 10437 . . . . . . . . . . . . 13 ((𝐶P𝐵P) → (𝐶 +P 𝐵) ∈ P)
14 addclpr 10437 . . . . . . . . . . . . 13 ((𝐶P𝐴P) → (𝐶 +P 𝐴) ∈ P)
1513, 14anim12dan 620 . . . . . . . . . . . 12 ((𝐶P ∧ (𝐵P𝐴P)) → ((𝐶 +P 𝐵) ∈ P ∧ (𝐶 +P 𝐴) ∈ P))
16 sotric 5498 . . . . . . . . . . . 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))))
179, 15, 16sylancr 589 . . . . . . . . . . 11 ((𝐶P ∧ (𝐵P𝐴P)) → ((𝐶 +P 𝐵)<P (𝐶 +P 𝐴) ↔ ¬ ((𝐶 +P 𝐵) = (𝐶 +P 𝐴) ∨ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵))))
188, 12, 173imtr3d 295 . . . . . . . . . 10 ((𝐶P ∧ (𝐵P𝐴P)) → (¬ (𝐵 = 𝐴𝐴<P 𝐵) → ¬ ((𝐶 +P 𝐵) = (𝐶 +P 𝐴) ∨ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵))))
1918con4d 115 . . . . . . . . 9 ((𝐶P ∧ (𝐵P𝐴P)) → (((𝐶 +P 𝐵) = (𝐶 +P 𝐴) ∨ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)) → (𝐵 = 𝐴𝐴<P 𝐵)))
206, 19syl5 34 . . . . . . . 8 ((𝐶P ∧ (𝐵P𝐴P)) → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → (𝐵 = 𝐴𝐴<P 𝐵)))
21 df-or 844 . . . . . . . 8 ((𝐵 = 𝐴𝐴<P 𝐵) ↔ (¬ 𝐵 = 𝐴𝐴<P 𝐵))
2220, 21syl6ib 253 . . . . . . 7 ((𝐶P ∧ (𝐵P𝐴P)) → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → (¬ 𝐵 = 𝐴𝐴<P 𝐵)))
2322com23 86 . . . . . 6 ((𝐶P ∧ (𝐵P𝐴P)) → (¬ 𝐵 = 𝐴 → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → 𝐴<P 𝐵)))
249, 2soirri 5983 . . . . . . . 8 ¬ (𝐶 +P 𝐴)<P (𝐶 +P 𝐴)
25 oveq2 7161 . . . . . . . . 9 (𝐵 = 𝐴 → (𝐶 +P 𝐵) = (𝐶 +P 𝐴))
2625breq2d 5075 . . . . . . . 8 (𝐵 = 𝐴 → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐴)))
2724, 26mtbiri 329 . . . . . . 7 (𝐵 = 𝐴 → ¬ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵))
2827pm2.21d 121 . . . . . 6 (𝐵 = 𝐴 → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → 𝐴<P 𝐵))
2923, 28pm2.61d2 183 . . . . 5 ((𝐶P ∧ (𝐵P𝐴P)) → ((𝐶 +P 𝐴)<P (𝐶 +P 𝐵) → 𝐴<P 𝐵))
305, 29impbid 214 . . . 4 ((𝐶P ∧ (𝐵P𝐴P)) → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
31303impb 1110 . . 3 ((𝐶P𝐵P𝐴P) → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
32313com13 1119 . 2 ((𝐴P𝐵P𝐶P) → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
331, 2, 3, 32ndmovord 7335 1 (𝐶P → (𝐴<P 𝐵 ↔ (𝐶 +P 𝐴)<P (𝐶 +P 𝐵)))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 208  wa 398  wo 843   = wceq 1536  wcel 2113   class class class wbr 5063   Or wor 5470  (class class class)co 7153  Pcnp 10278   +P cpp 10280  <P cltp 10282
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1969  ax-7 2014  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2160  ax-12 2176  ax-ext 2792  ax-sep 5200  ax-nul 5207  ax-pow 5263  ax-pr 5327  ax-un 7458  ax-inf2 9101
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1083  df-3an 1084  df-tru 1539  df-ex 1780  df-nf 1784  df-sb 2069  df-mo 2621  df-eu 2653  df-clab 2799  df-cleq 2813  df-clel 2892  df-nfc 2962  df-ne 3016  df-ral 3142  df-rex 3143  df-reu 3144  df-rmo 3145  df-rab 3146  df-v 3495  df-sbc 3771  df-csb 3881  df-dif 3936  df-un 3938  df-in 3940  df-ss 3949  df-pss 3951  df-nul 4289  df-if 4465  df-pw 4538  df-sn 4565  df-pr 4567  df-tp 4569  df-op 4571  df-uni 4836  df-int 4874  df-iun 4918  df-br 5064  df-opab 5126  df-mpt 5144  df-tr 5170  df-id 5457  df-eprel 5462  df-po 5471  df-so 5472  df-fr 5511  df-we 5513  df-xp 5558  df-rel 5559  df-cnv 5560  df-co 5561  df-dm 5562  df-rn 5563  df-res 5564  df-ima 5565  df-pred 6145  df-ord 6191  df-on 6192  df-lim 6193  df-suc 6194  df-iota 6311  df-fun 6354  df-fn 6355  df-f 6356  df-f1 6357  df-fo 6358  df-f1o 6359  df-fv 6360  df-ov 7156  df-oprab 7157  df-mpo 7158  df-om 7578  df-1st 7686  df-2nd 7687  df-wrecs 7944  df-recs 8005  df-rdg 8043  df-1o 8099  df-oadd 8103  df-omul 8104  df-er 8286  df-ni 10291  df-pli 10292  df-mi 10293  df-lti 10294  df-plpq 10327  df-mpq 10328  df-ltpq 10329  df-enq 10330  df-nq 10331  df-erq 10332  df-plq 10333  df-mq 10334  df-1nq 10335  df-rq 10336  df-ltnq 10337  df-np 10400  df-plp 10402  df-ltp 10404
This theorem is referenced by:  addcanpr  10465  ltsrpr  10496  gt0srpr  10497  ltsosr  10513  ltasr  10519  ltpsrpr  10528  map2psrpr  10529
  Copyright terms: Public domain W3C validator