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| Mirrors > Home > MPE Home > Th. List > xrletrd | 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*) |
| xrletrd.4 | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| xrletrd.5 | ⊢ (𝜑 → 𝐵 ≤ 𝐶) |
| Ref | Expression |
|---|---|
| xrletrd | ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrletrd.4 | . 2 ⊢ (𝜑 → 𝐴 ≤ 𝐵) | |
| 2 | xrletrd.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 | xrletr 13109 | . . 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 5085 ℝ*cxr 11178 ≤ cle 11180 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-pre-lttri 11112 ax-pre-lttrn 11113 |
| 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 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 3062 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-po 5539 df-so 5540 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 |
| This theorem is referenced by: xaddge0 13210 ixxub 13319 ixxlb 13320 limsupval2 15442 0ram 16991 xpsdsval 24346 xblss2ps 24366 xblss2 24367 comet 24478 stdbdxmet 24480 nmoleub 24696 metnrmlem1 24825 nmoleub2lem 25081 ovollb2lem 25455 ovoliunlem2 25470 ovolscalem1 25480 ovolicc1 25483 ovolicc2lem4 25487 voliunlem2 25518 uniioombllem3 25552 itg2uba 25710 itg2lea 25711 itg2split 25716 itg2monolem3 25719 itg2gt0 25727 lhop1lem 25980 dvfsumlem2 25994 dvfsumlem3 25995 dvfsumlem4 25996 deg1addle2 26067 deg1sublt 26075 nmooge0 30838 ply1degltlss 33656 metideq 34037 measiun 34362 omssubadd 34444 carsgclctunlem2 34463 mblfinlem1 37978 ismblfin 37982 ftc1anclem8 38021 ftc1anc 38022 aks6d1c6lem2 42610 aks6d1c6lem3 42611 unitscyglem5 42638 hbtlem2 43552 idomodle 43619 xle2addd 45766 xralrple2 45784 infleinflem1 45799 xralrple4 45802 xralrple3 45803 suplesup2 45805 infleinf2 45842 infxrlesupxr 45864 inficc 45964 limsupequzlem 46150 limsupvaluz2 46166 supcnvlimsup 46168 liminfval2 46196 liminflelimsuplem 46203 limsupgtlem 46205 fourierdlem1 46536 sge0cl 46809 sge0lefi 46826 sge0iunmptlemre 46843 sge0isum 46855 omeunle 46944 omeiunle 46945 caratheodorylem2 46955 hoicvrrex 46984 ovnsubaddlem1 46998 ovolval5lem1 47080 pimdecfgtioo 47145 pimincfltioo 47146 |
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