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| Mirrors > Home > MPE Home > Th. List > xrlelttrd | Structured version Visualization version GIF version | ||
| Description: Transitive law for ordering on extended reals. (Contributed by Mario Carneiro, 23-Aug-2015.) |
| Ref | Expression |
|---|---|
| xrlttrd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
| xrlttrd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ*) |
| xrlttrd.3 | ⊢ (𝜑 → 𝐶 ∈ ℝ*) |
| xrlelttrd.4 | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| xrlelttrd.5 | ⊢ (𝜑 → 𝐵 < 𝐶) |
| Ref | Expression |
|---|---|
| xrlelttrd | ⊢ (𝜑 → 𝐴 < 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrlelttrd.4 | . 2 ⊢ (𝜑 → 𝐴 ≤ 𝐵) | |
| 2 | xrlelttrd.5 | . 2 ⊢ (𝜑 → 𝐵 < 𝐶) | |
| 3 | xrlttrd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
| 4 | xrlttrd.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ*) | |
| 5 | xrlttrd.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ*) | |
| 6 | xrlelttr 13177 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1396 | . 2 ⊢ (𝜑 → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) |
| 8 | 1, 2, 7 | mp2and 711 | 1 ⊢ (𝜑 → 𝐴 < 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2149 class class class wbr 5110 ℝ*cxr 11238 < clt 11239 ≤ cle 11240 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-cnex 11152 ax-resscn 11153 ax-pre-lttri 11170 ax-pre-lttrn 11171 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 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-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 |
| This theorem is referenced by: xlt2add 13282 ixxub 13389 elioc2 13432 elicc2 13434 limsupgre 15528 xrsdsreclblem 21528 mnfnei 23343 blgt0 24521 xblss2ps 24523 xblss2 24524 metustexhalf 24678 tgioo 24918 blcvx 24920 xrge0tsms 24957 metdcnlem 24959 metdscnlem 24978 ioombl 25689 uniioombllem1 25705 dvferm2lem 26110 dvlip2 26119 ftc1a 26161 coe1mul3 26221 ply1remlem 26287 idomrootle 26295 pserulm 26547 isblo3i 31090 xrge0infss 33042 iocinioc2 33061 xrge0tsmsd 33330 deg1addlt 33831 q1pvsca 33835 vietadeg1 33909 ply1degltdimlem 33953 ply1degltdim 33954 rtelextdg2lem 34057 sibfinima 34670 heicant 38189 itg2gt0cn 38209 ftc1anclem7 38233 ftc1anc 38235 dvrelog3 42717 aks6d1c5lem3 42789 aks6d1c6lem1 42822 aks6d1c6lem3 42824 supxrgelem 45938 supxrge 45939 xralrple2 45955 infxr 45967 infleinflem2 45971 xrralrecnnle 45983 unb2ltle 46014 eliocre 46110 iocopn 46121 ge0lere 46133 iccdificc 46140 limsupre 46240 limsuppnflem 46309 limsupre3lem 46331 limsupub2 46411 xlimmnfv 46433 fourierdlem27 46733 sge0isum 47026 meassre 47076 meaiuninclem 47079 omessre 47109 omeiunltfirp 47118 sge0hsphoire 47188 hoidmv1lelem1 47190 hoidmv1lelem2 47191 hoidmv1lelem3 47192 hoidmvlelem1 47194 hoidmvlelem4 47197 pimiooltgt 47309 pimincfltioc 47315 preimaleiinlt 47320 fsupdm 47441 |
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