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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 13071 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1374 | . 2 ⊢ (𝜑 → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) |
| 8 | 1, 2, 7 | mp2and 700 | 1 ⊢ (𝜑 → 𝐴 < 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2114 class class class wbr 5086 ℝ*cxr 11166 < clt 11167 ≤ cle 11168 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-cnex 11083 ax-resscn 11084 ax-pre-lttri 11101 ax-pre-lttrn 11102 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5517 df-po 5530 df-so 5531 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-er 8634 df-en 8885 df-dom 8886 df-sdom 8887 df-pnf 11169 df-mnf 11170 df-xr 11171 df-ltxr 11172 df-le 11173 |
| This theorem is referenced by: xlt2add 13176 ixxub 13283 elioc2 13326 elicc2 13328 limsupgre 15405 xrsdsreclblem 21369 mnfnei 23164 blgt0 24342 xblss2ps 24344 xblss2 24345 metustexhalf 24499 tgioo 24739 blcvx 24741 xrge0tsms 24778 metdcnlem 24780 metdscnlem 24799 ioombl 25510 uniioombllem1 25526 dvferm2lem 25931 dvlip2 25941 ftc1a 25985 coe1mul3 26045 ply1remlem 26111 idomrootle 26119 pserulm 26371 isblo3i 30861 xrge0infss 32823 iocinioc2 32842 xrge0tsmsd 33139 deg1addlt 33665 q1pvsca 33669 vietadeg1 33727 ply1degltdimlem 33772 ply1degltdim 33773 rtelextdg2lem 33876 sibfinima 34489 heicant 37967 itg2gt0cn 37987 ftc1anclem7 38011 ftc1anc 38013 dvrelog3 42496 aks6d1c5lem3 42568 aks6d1c6lem1 42601 aks6d1c6lem3 42603 supxrgelem 45770 supxrge 45771 xralrple2 45787 infxr 45799 infleinflem2 45803 xrralrecnnle 45815 unb2ltle 45847 eliocre 45943 iocopn 45954 ge0lere 45966 iccdificc 45973 limsupre 46073 limsuppnflem 46142 limsupre3lem 46164 limsupub2 46244 xlimmnfv 46266 fourierdlem27 46566 sge0isum 46859 meassre 46909 meaiuninclem 46912 omessre 46942 omeiunltfirp 46951 sge0hsphoire 47021 hoidmv1lelem1 47023 hoidmv1lelem2 47024 hoidmv1lelem3 47025 hoidmvlelem1 47027 hoidmvlelem4 47030 pimiooltgt 47142 pimincfltioc 47148 preimaleiinlt 47153 fsupdm 47274 |
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