| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > xrge0omnd | Structured version Visualization version GIF version | ||
| Description: The nonnegative extended real numbers form an ordered monoid. (Contributed by Thierry Arnoux, 22-Mar-2018.) |
| Ref | Expression |
|---|---|
| xrge0omnd | ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ oMnd |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrge0cmn 21660 | . . 3 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ CMnd | |
| 2 | cmnmnd 19927 | . . 3 ⊢ ((ℝ*𝑠 ↾s (0[,]+∞)) ∈ CMnd → (ℝ*𝑠 ↾s (0[,]+∞)) ∈ Mnd) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ Mnd |
| 4 | ovex 7447 | . . . 4 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ V | |
| 5 | xrge0base 17696 | . . . 4 ⊢ (0[,]+∞) = (Base‘(ℝ*𝑠 ↾s (0[,]+∞))) | |
| 6 | xrge0le 17694 | . . . 4 ⊢ ≤ = (le‘(ℝ*𝑠 ↾s (0[,]+∞))) | |
| 7 | eliccxr 13491 | . . . . 5 ⊢ (𝑥 ∈ (0[,]+∞) → 𝑥 ∈ ℝ*) | |
| 8 | 7 | xrleidd 13206 | . . . 4 ⊢ (𝑥 ∈ (0[,]+∞) → 𝑥 ≤ 𝑥) |
| 9 | eliccxr 13491 | . . . . 5 ⊢ (𝑦 ∈ (0[,]+∞) → 𝑦 ∈ ℝ*) | |
| 10 | xrletri3 13208 | . . . . . 6 ⊢ ((𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → (𝑥 = 𝑦 ↔ (𝑥 ≤ 𝑦 ∧ 𝑦 ≤ 𝑥))) | |
| 11 | 10 | biimprd 251 | . . . . 5 ⊢ ((𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → ((𝑥 ≤ 𝑦 ∧ 𝑦 ≤ 𝑥) → 𝑥 = 𝑦)) |
| 12 | 7, 9, 11 | syl2an 608 | . . . 4 ⊢ ((𝑥 ∈ (0[,]+∞) ∧ 𝑦 ∈ (0[,]+∞)) → ((𝑥 ≤ 𝑦 ∧ 𝑦 ≤ 𝑥) → 𝑥 = 𝑦)) |
| 13 | eliccxr 13491 | . . . . 5 ⊢ (𝑧 ∈ (0[,]+∞) → 𝑧 ∈ ℝ*) | |
| 14 | xrletr 13212 | . . . . 5 ⊢ ((𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ* ∧ 𝑧 ∈ ℝ*) → ((𝑥 ≤ 𝑦 ∧ 𝑦 ≤ 𝑧) → 𝑥 ≤ 𝑧)) | |
| 15 | 7, 9, 13, 14 | syl3an 1178 | . . . 4 ⊢ ((𝑥 ∈ (0[,]+∞) ∧ 𝑦 ∈ (0[,]+∞) ∧ 𝑧 ∈ (0[,]+∞)) → ((𝑥 ≤ 𝑦 ∧ 𝑦 ≤ 𝑧) → 𝑥 ≤ 𝑧)) |
| 16 | 4, 5, 6, 8, 12, 15 | isposi 18414 | . . 3 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ Poset |
| 17 | xrletri 13207 | . . . . 5 ⊢ ((𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → (𝑥 ≤ 𝑦 ∨ 𝑦 ≤ 𝑥)) | |
| 18 | 7, 9, 17 | syl2an 608 | . . . 4 ⊢ ((𝑥 ∈ (0[,]+∞) ∧ 𝑦 ∈ (0[,]+∞)) → (𝑥 ≤ 𝑦 ∨ 𝑦 ≤ 𝑥)) |
| 19 | 18 | rgen2 3202 | . . 3 ⊢ ∀𝑥 ∈ (0[,]+∞)∀𝑦 ∈ (0[,]+∞)(𝑥 ≤ 𝑦 ∨ 𝑦 ≤ 𝑥) |
| 20 | 5, 6 | istos 18507 | . . 3 ⊢ ((ℝ*𝑠 ↾s (0[,]+∞)) ∈ Toset ↔ ((ℝ*𝑠 ↾s (0[,]+∞)) ∈ Poset ∧ ∀𝑥 ∈ (0[,]+∞)∀𝑦 ∈ (0[,]+∞)(𝑥 ≤ 𝑦 ∨ 𝑦 ≤ 𝑥))) |
| 21 | 16, 19, 20 | mpbir2an 724 | . 2 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ Toset |
| 22 | xleadd1a 13308 | . . . . 5 ⊢ (((𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ* ∧ 𝑧 ∈ ℝ*) ∧ 𝑥 ≤ 𝑦) → (𝑥 +𝑒 𝑧) ≤ (𝑦 +𝑒 𝑧)) | |
| 23 | 22 | ex 418 | . . . 4 ⊢ ((𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ* ∧ 𝑧 ∈ ℝ*) → (𝑥 ≤ 𝑦 → (𝑥 +𝑒 𝑧) ≤ (𝑦 +𝑒 𝑧))) |
| 24 | 7, 9, 13, 23 | syl3an 1178 | . . 3 ⊢ ((𝑥 ∈ (0[,]+∞) ∧ 𝑦 ∈ (0[,]+∞) ∧ 𝑧 ∈ (0[,]+∞)) → (𝑥 ≤ 𝑦 → (𝑥 +𝑒 𝑧) ≤ (𝑦 +𝑒 𝑧))) |
| 25 | 24 | rgen3 3207 | . 2 ⊢ ∀𝑥 ∈ (0[,]+∞)∀𝑦 ∈ (0[,]+∞)∀𝑧 ∈ (0[,]+∞)(𝑥 ≤ 𝑦 → (𝑥 +𝑒 𝑧) ≤ (𝑦 +𝑒 𝑧)) |
| 26 | xrge0plusg 21655 | . . 3 ⊢ +𝑒 = (+g‘(ℝ*𝑠 ↾s (0[,]+∞))) | |
| 27 | 5, 26, 6 | isomnd 20253 | . 2 ⊢ ((ℝ*𝑠 ↾s (0[,]+∞)) ∈ oMnd ↔ ((ℝ*𝑠 ↾s (0[,]+∞)) ∈ Mnd ∧ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ Toset ∧ ∀𝑥 ∈ (0[,]+∞)∀𝑦 ∈ (0[,]+∞)∀𝑧 ∈ (0[,]+∞)(𝑥 ≤ 𝑦 → (𝑥 +𝑒 𝑧) ≤ (𝑦 +𝑒 𝑧)))) |
| 28 | 3, 21, 25, 27 | mpbir3an 1360 | 1 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ oMnd |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∨ wo 861 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ∀wral 3076 class class class wbr 5103 (class class class)co 7414 0cc0 11127 +∞cpnf 11267 ℝ*cxr 11269 ≤ cle 11271 +𝑒 cxad 13164 [,]cicc 13404 ↾s cress 17325 ℝ*𝑠cxrs 17589 Posetcpo 18398 Tosetctos 18505 Mndcmnd 18839 CMndccmn 19910 oMndcomnd 20249 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8458 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-fin 8959 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-3 12331 df-4 12332 df-5 12333 df-6 12334 df-7 12335 df-8 12336 df-9 12337 df-n0 12532 df-z 12619 df-dec 12740 df-uz 12891 df-xadd 13167 df-icc 13408 df-fz 13565 df-struct 17242 df-sets 17259 df-slot 17277 df-ndx 17289 df-base 17305 df-ress 17326 df-plusg 17358 df-mulr 17359 df-tset 17364 df-ple 17365 df-ds 17367 df-0g 17529 df-xrs 17591 df-poset 18404 df-toset 18506 df-mgm 18733 df-sgrp 18824 df-mnd 18840 df-submnd 18895 df-cmn 19912 df-omnd 20251 |
| This theorem is used by: (None) |
| Copyright terms: Public domain | W3C validator |