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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 13182 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1398 | . 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 2143 class class class wbr 5110 ℝ*cxr 11243 < clt 11244 ≤ cle 11245 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-cnex 11157 ax-resscn 11158 ax-pre-lttri 11175 ax-pre-lttrn 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-er 8695 df-en 8945 df-dom 8946 df-sdom 8947 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 |
| This theorem is referenced by: xlt2add 13287 ixxub 13394 elioc2 13437 elicc2 13439 limsupgre 15534 xrsdsreclblem 21544 mnfnei 23359 blgt0 24537 xblss2ps 24539 xblss2 24540 metustexhalf 24694 tgioo 24934 blcvx 24936 xrge0tsms 24973 metdcnlem 24975 metdscnlem 24994 ioombl 25705 uniioombllem1 25721 dvferm2lem 26126 dvlip2 26135 ftc1a 26177 coe1mul3 26237 ply1remlem 26303 idomrootle 26311 pserulm 26566 isblo3i 31134 xrge0infss 33086 iocinioc2 33105 xrge0tsmsd 33374 deg1addlt 33871 q1pvsca 33875 vietadeg1 33949 ply1degltdimlem 33993 ply1degltdim 33994 rtelextdg2lem 34097 sibfinima 34710 heicant 38287 itg2gt0cn 38307 ftc1anclem7 38331 ftc1anc 38333 dvrelog3 42813 aks6d1c5lem3 42885 aks6d1c6lem1 42918 aks6d1c6lem3 42920 supxrgelem 46036 supxrge 46037 xralrple2 46053 infxr 46065 infleinflem2 46069 xrralrecnnle 46081 unb2ltle 46112 eliocre 46208 iocopn 46219 ge0lere 46231 iccdificc 46238 limsupre 46338 limsuppnflem 46407 limsupre3lem 46429 limsupub2 46509 xlimmnfv 46531 fourierdlem27 46831 sge0isum 47124 meassre 47174 meaiuninclem 47177 omessre 47207 omeiunltfirp 47216 sge0hsphoire 47286 hoidmv1lelem1 47288 hoidmv1lelem2 47289 hoidmv1lelem3 47290 hoidmvlelem1 47292 hoidmvlelem4 47295 pimiooltgt 47407 pimincfltioc 47413 preimaleiinlt 47418 fsupdm 47539 |
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