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Mirrors > Home > ILE Home > Th. List > addextpr | GIF version |
Description: Strong extensionality of addition (ordering version). This is similar to addext 8508 but for positive reals and based on less-than rather than apartness. (Contributed by Jim Kingdon, 17-Feb-2020.) |
Ref | Expression |
---|---|
addextpr | ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → ((𝐴 +P 𝐵)<P (𝐶 +P 𝐷) → (𝐴<P 𝐶 ∨ 𝐵<P 𝐷))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | addclpr 7478 | . . . 4 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P) → (𝐴 +P 𝐵) ∈ P) | |
2 | 1 | adantr 274 | . . 3 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐴 +P 𝐵) ∈ P) |
3 | addclpr 7478 | . . . 4 ⊢ ((𝐶 ∈ P ∧ 𝐷 ∈ P) → (𝐶 +P 𝐷) ∈ P) | |
4 | 3 | adantl 275 | . . 3 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐶 +P 𝐷) ∈ P) |
5 | simprl 521 | . . . 4 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → 𝐶 ∈ P) | |
6 | simplr 520 | . . . 4 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → 𝐵 ∈ P) | |
7 | addclpr 7478 | . . . 4 ⊢ ((𝐶 ∈ P ∧ 𝐵 ∈ P) → (𝐶 +P 𝐵) ∈ P) | |
8 | 5, 6, 7 | syl2anc 409 | . . 3 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐶 +P 𝐵) ∈ P) |
9 | ltsopr 7537 | . . . 4 ⊢ <P Or P | |
10 | sowlin 4298 | . . . 4 ⊢ ((<P Or P ∧ ((𝐴 +P 𝐵) ∈ P ∧ (𝐶 +P 𝐷) ∈ P ∧ (𝐶 +P 𝐵) ∈ P)) → ((𝐴 +P 𝐵)<P (𝐶 +P 𝐷) → ((𝐴 +P 𝐵)<P (𝐶 +P 𝐵) ∨ (𝐶 +P 𝐵)<P (𝐶 +P 𝐷)))) | |
11 | 9, 10 | mpan 421 | . . 3 ⊢ (((𝐴 +P 𝐵) ∈ P ∧ (𝐶 +P 𝐷) ∈ P ∧ (𝐶 +P 𝐵) ∈ P) → ((𝐴 +P 𝐵)<P (𝐶 +P 𝐷) → ((𝐴 +P 𝐵)<P (𝐶 +P 𝐵) ∨ (𝐶 +P 𝐵)<P (𝐶 +P 𝐷)))) |
12 | 2, 4, 8, 11 | syl3anc 1228 | . 2 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → ((𝐴 +P 𝐵)<P (𝐶 +P 𝐷) → ((𝐴 +P 𝐵)<P (𝐶 +P 𝐵) ∨ (𝐶 +P 𝐵)<P (𝐶 +P 𝐷)))) |
13 | simpll 519 | . . . . 5 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → 𝐴 ∈ P) | |
14 | ltaprg 7560 | . . . . 5 ⊢ ((𝐴 ∈ P ∧ 𝐶 ∈ P ∧ 𝐵 ∈ P) → (𝐴<P 𝐶 ↔ (𝐵 +P 𝐴)<P (𝐵 +P 𝐶))) | |
15 | 13, 5, 6, 14 | syl3anc 1228 | . . . 4 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐴<P 𝐶 ↔ (𝐵 +P 𝐴)<P (𝐵 +P 𝐶))) |
16 | addcomprg 7519 | . . . . . . 7 ⊢ ((𝑓 ∈ P ∧ 𝑔 ∈ P) → (𝑓 +P 𝑔) = (𝑔 +P 𝑓)) | |
17 | 16 | adantl 275 | . . . . . 6 ⊢ ((((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) ∧ (𝑓 ∈ P ∧ 𝑔 ∈ P)) → (𝑓 +P 𝑔) = (𝑔 +P 𝑓)) |
18 | 17, 13, 6 | caovcomd 5998 | . . . . 5 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐴 +P 𝐵) = (𝐵 +P 𝐴)) |
19 | 17, 5, 6 | caovcomd 5998 | . . . . 5 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐶 +P 𝐵) = (𝐵 +P 𝐶)) |
20 | 18, 19 | breq12d 3995 | . . . 4 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → ((𝐴 +P 𝐵)<P (𝐶 +P 𝐵) ↔ (𝐵 +P 𝐴)<P (𝐵 +P 𝐶))) |
21 | 15, 20 | bitr4d 190 | . . 3 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐴<P 𝐶 ↔ (𝐴 +P 𝐵)<P (𝐶 +P 𝐵))) |
22 | simprr 522 | . . . 4 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → 𝐷 ∈ P) | |
23 | ltaprg 7560 | . . . 4 ⊢ ((𝐵 ∈ P ∧ 𝐷 ∈ P ∧ 𝐶 ∈ P) → (𝐵<P 𝐷 ↔ (𝐶 +P 𝐵)<P (𝐶 +P 𝐷))) | |
24 | 6, 22, 5, 23 | syl3anc 1228 | . . 3 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐵<P 𝐷 ↔ (𝐶 +P 𝐵)<P (𝐶 +P 𝐷))) |
25 | 21, 24 | orbi12d 783 | . 2 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → ((𝐴<P 𝐶 ∨ 𝐵<P 𝐷) ↔ ((𝐴 +P 𝐵)<P (𝐶 +P 𝐵) ∨ (𝐶 +P 𝐵)<P (𝐶 +P 𝐷)))) |
26 | 12, 25 | sylibrd 168 | 1 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → ((𝐴 +P 𝐵)<P (𝐶 +P 𝐷) → (𝐴<P 𝐶 ∨ 𝐵<P 𝐷))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ↔ wb 104 ∨ wo 698 ∧ w3a 968 = wceq 1343 ∈ wcel 2136 class class class wbr 3982 Or wor 4273 (class class class)co 5842 Pcnp 7232 +P cpp 7234 <P cltp 7236 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4097 ax-sep 4100 ax-nul 4108 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-iinf 4565 |
This theorem depends on definitions: df-bi 116 df-dc 825 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-ral 2449 df-rex 2450 df-reu 2451 df-rab 2453 df-v 2728 df-sbc 2952 df-csb 3046 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-iun 3868 df-br 3983 df-opab 4044 df-mpt 4045 df-tr 4081 df-eprel 4267 df-id 4271 df-po 4274 df-iso 4275 df-iord 4344 df-on 4346 df-suc 4349 df-iom 4568 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-f1 5193 df-fo 5194 df-f1o 5195 df-fv 5196 df-ov 5845 df-oprab 5846 df-mpo 5847 df-1st 6108 df-2nd 6109 df-recs 6273 df-irdg 6338 df-1o 6384 df-2o 6385 df-oadd 6388 df-omul 6389 df-er 6501 df-ec 6503 df-qs 6507 df-ni 7245 df-pli 7246 df-mi 7247 df-lti 7248 df-plpq 7285 df-mpq 7286 df-enq 7288 df-nqqs 7289 df-plqqs 7290 df-mqqs 7291 df-1nqqs 7292 df-rq 7293 df-ltnqqs 7294 df-enq0 7365 df-nq0 7366 df-0nq0 7367 df-plq0 7368 df-mq0 7369 df-inp 7407 df-iplp 7409 df-iltp 7411 |
This theorem is referenced by: mulextsr1lem 7721 |
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