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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 8499 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 7469 | . . . 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 7469 | . . . 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 7469 | . . . 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 7528 | . . . 4 ⊢ <P Or P | |
10 | sowlin 4292 | . . . 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 1227 | . 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 7551 | . . . . 5 ⊢ ((𝐴 ∈ P ∧ 𝐶 ∈ P ∧ 𝐵 ∈ P) → (𝐴<P 𝐶 ↔ (𝐵 +P 𝐴)<P (𝐵 +P 𝐶))) | |
15 | 13, 5, 6, 14 | syl3anc 1227 | . . . 4 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐴<P 𝐶 ↔ (𝐵 +P 𝐴)<P (𝐵 +P 𝐶))) |
16 | addcomprg 7510 | . . . . . . 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 5989 | . . . . 5 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐴 +P 𝐵) = (𝐵 +P 𝐴)) |
19 | 17, 5, 6 | caovcomd 5989 | . . . . 5 ⊢ (((𝐴 ∈ P ∧ 𝐵 ∈ P) ∧ (𝐶 ∈ P ∧ 𝐷 ∈ P)) → (𝐶 +P 𝐵) = (𝐵 +P 𝐶)) |
20 | 18, 19 | breq12d 3989 | . . . 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 7551 | . . . 4 ⊢ ((𝐵 ∈ P ∧ 𝐷 ∈ P ∧ 𝐶 ∈ P) → (𝐵<P 𝐷 ↔ (𝐶 +P 𝐵)<P (𝐶 +P 𝐷))) | |
24 | 6, 22, 5, 23 | syl3anc 1227 | . . 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 967 = wceq 1342 ∈ wcel 2135 class class class wbr 3976 Or wor 4267 (class class class)co 5836 Pcnp 7223 +P cpp 7225 <P cltp 7227 |
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 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-13 2137 ax-14 2138 ax-ext 2146 ax-coll 4091 ax-sep 4094 ax-nul 4102 ax-pow 4147 ax-pr 4181 ax-un 4405 ax-setind 4508 ax-iinf 4559 |
This theorem depends on definitions: df-bi 116 df-dc 825 df-3or 968 df-3an 969 df-tru 1345 df-fal 1348 df-nf 1448 df-sb 1750 df-eu 2016 df-mo 2017 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ne 2335 df-ral 2447 df-rex 2448 df-reu 2449 df-rab 2451 df-v 2723 df-sbc 2947 df-csb 3041 df-dif 3113 df-un 3115 df-in 3117 df-ss 3124 df-nul 3405 df-pw 3555 df-sn 3576 df-pr 3577 df-op 3579 df-uni 3784 df-int 3819 df-iun 3862 df-br 3977 df-opab 4038 df-mpt 4039 df-tr 4075 df-eprel 4261 df-id 4265 df-po 4268 df-iso 4269 df-iord 4338 df-on 4340 df-suc 4343 df-iom 4562 df-xp 4604 df-rel 4605 df-cnv 4606 df-co 4607 df-dm 4608 df-rn 4609 df-res 4610 df-ima 4611 df-iota 5147 df-fun 5184 df-fn 5185 df-f 5186 df-f1 5187 df-fo 5188 df-f1o 5189 df-fv 5190 df-ov 5839 df-oprab 5840 df-mpo 5841 df-1st 6100 df-2nd 6101 df-recs 6264 df-irdg 6329 df-1o 6375 df-2o 6376 df-oadd 6379 df-omul 6380 df-er 6492 df-ec 6494 df-qs 6498 df-ni 7236 df-pli 7237 df-mi 7238 df-lti 7239 df-plpq 7276 df-mpq 7277 df-enq 7279 df-nqqs 7280 df-plqqs 7281 df-mqqs 7282 df-1nqqs 7283 df-rq 7284 df-ltnqqs 7285 df-enq0 7356 df-nq0 7357 df-0nq0 7358 df-plq0 7359 df-mq0 7360 df-inp 7398 df-iplp 7400 df-iltp 7402 |
This theorem is referenced by: mulextsr1lem 7712 |
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