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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 13098 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1379 | . 2 ⊢ (𝜑 → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) |
| 8 | 1, 2, 7 | mp2and 705 | 1 ⊢ (𝜑 → 𝐴 < 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∈ wcel 2119 class class class wbr 5072 ℝ*cxr 11169 < clt 11170 ≤ cle 11171 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 ax-un 7678 ax-cnex 11085 ax-resscn 11086 ax-pre-lttri 11103 ax-pre-lttrn 11104 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-nel 3039 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-po 5526 df-so 5527 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-er 8633 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 |
| This theorem is referenced by: xlt2add 13203 ixxub 13310 elioc2 13353 elicc2 13355 limsupgre 15434 xrsdsreclblem 21388 mnfnei 23204 blgt0 24382 xblss2ps 24384 xblss2 24385 metustexhalf 24539 tgioo 24779 blcvx 24781 xrge0tsms 24818 metdcnlem 24820 metdscnlem 24839 ioombl 25550 uniioombllem1 25566 dvferm2lem 25971 dvlip2 25980 ftc1a 26022 coe1mul3 26082 ply1remlem 26148 idomrootle 26156 pserulm 26405 isblo3i 30890 xrge0infss 32852 iocinioc2 32871 xrge0tsmsd 33154 deg1addlt 33683 q1pvsca 33687 vietadeg1 33762 ply1degltdimlem 33806 ply1degltdim 33807 rtelextdg2lem 33910 sibfinima 34523 heicant 38022 itg2gt0cn 38042 ftc1anclem7 38066 ftc1anc 38068 dvrelog3 42550 aks6d1c5lem3 42622 aks6d1c6lem1 42655 aks6d1c6lem3 42657 supxrgelem 45782 supxrge 45783 xralrple2 45799 infxr 45811 infleinflem2 45815 xrralrecnnle 45827 unb2ltle 45858 eliocre 45954 iocopn 45965 ge0lere 45977 iccdificc 45984 limsupre 46084 limsuppnflem 46153 limsupre3lem 46175 limsupub2 46255 xlimmnfv 46277 fourierdlem27 46577 sge0isum 46870 meassre 46920 meaiuninclem 46923 omessre 46953 omeiunltfirp 46962 sge0hsphoire 47032 hoidmv1lelem1 47034 hoidmv1lelem2 47035 hoidmv1lelem3 47036 hoidmvlelem1 47038 hoidmvlelem4 47041 pimiooltgt 47153 pimincfltioc 47159 preimaleiinlt 47164 fsupdm 47285 |
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