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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 12543 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) | |
7 | 3, 4, 5, 6 | syl3anc 1367 | . 2 ⊢ (𝜑 → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) |
8 | 1, 2, 7 | mp2and 697 | 1 ⊢ (𝜑 → 𝐴 < 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2110 class class class wbr 5058 ℝ*cxr 10668 < clt 10669 ≤ cle 10670 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-pre-lttri 10605 ax-pre-lttrn 10606 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-po 5468 df-so 5469 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 |
This theorem is referenced by: xlt2add 12647 ixxub 12753 elioc2 12793 elicc2 12795 limsupgre 14832 xrsdsreclblem 20585 mnfnei 21823 blgt0 23003 xblss2ps 23005 xblss2 23006 metustexhalf 23160 tgioo 23398 blcvx 23400 xrge0tsms 23436 metdcnlem 23438 metdscnlem 23457 ioombl 24160 uniioombllem1 24176 dvferm2lem 24577 dvlip2 24586 ftc1a 24628 coe1mul3 24687 ply1remlem 24750 pserulm 25004 isblo3i 28572 xrge0infss 30478 iocinioc2 30496 xrge0tsmsd 30687 sibfinima 31592 heicant 34921 itg2gt0cn 34941 ftc1anclem7 34967 ftc1anc 34969 idomrootle 39788 supxrgelem 41598 supxrge 41599 xralrple2 41615 infxr 41628 infleinflem2 41632 xrralrecnnle 41646 unb2ltle 41682 eliocre 41778 iocopn 41789 ge0lere 41801 iccdificc 41808 limsupre 41915 limsuppnflem 41984 limsupre3lem 42006 limsupub2 42086 xlimmnfv 42108 fourierdlem27 42413 sge0isum 42703 meassre 42753 meaiuninclem 42756 omessre 42786 omeiunltfirp 42795 sge0hsphoire 42865 hoidmv1lelem1 42867 hoidmv1lelem2 42868 hoidmv1lelem3 42869 hoidmvlelem1 42871 hoidmvlelem4 42874 pimiooltgt 42983 pimincfltioc 42988 preimaleiinlt 42993 |
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