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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 13070 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1373 | . 2 ⊢ (𝜑 → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) |
| 8 | 1, 2, 7 | mp2and 699 | 1 ⊢ (𝜑 → 𝐴 < 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2113 class class class wbr 5098 ℝ*cxr 11165 < clt 11166 ≤ cle 11167 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-pre-lttri 11100 ax-pre-lttrn 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 |
| This theorem is referenced by: xlt2add 13175 ixxub 13282 elioc2 13325 elicc2 13327 limsupgre 15404 xrsdsreclblem 21367 mnfnei 23165 blgt0 24343 xblss2ps 24345 xblss2 24346 metustexhalf 24500 tgioo 24740 blcvx 24742 xrge0tsms 24779 metdcnlem 24781 metdscnlem 24800 ioombl 25522 uniioombllem1 25538 dvferm2lem 25946 dvlip2 25956 ftc1a 26000 coe1mul3 26060 ply1remlem 26126 idomrootle 26134 pserulm 26387 isblo3i 30876 xrge0infss 32840 iocinioc2 32859 xrge0tsmsd 33155 deg1addlt 33681 q1pvsca 33685 vietadeg1 33734 ply1degltdimlem 33779 ply1degltdim 33780 rtelextdg2lem 33883 sibfinima 34496 heicant 37856 itg2gt0cn 37876 ftc1anclem7 37900 ftc1anc 37902 dvrelog3 42319 aks6d1c5lem3 42391 aks6d1c6lem1 42424 aks6d1c6lem3 42426 supxrgelem 45582 supxrge 45583 xralrple2 45599 infxr 45611 infleinflem2 45615 xrralrecnnle 45627 unb2ltle 45659 eliocre 45755 iocopn 45766 ge0lere 45778 iccdificc 45785 limsupre 45885 limsuppnflem 45954 limsupre3lem 45976 limsupub2 46056 xlimmnfv 46078 fourierdlem27 46378 sge0isum 46671 meassre 46721 meaiuninclem 46724 omessre 46754 omeiunltfirp 46763 sge0hsphoire 46833 hoidmv1lelem1 46835 hoidmv1lelem2 46836 hoidmv1lelem3 46837 hoidmvlelem1 46839 hoidmvlelem4 46842 pimiooltgt 46954 pimincfltioc 46960 preimaleiinlt 46965 fsupdm 47086 |
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