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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 13291 | . . 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 712 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2144 class class class wbr 5102 ℝ*cxr 11346 ≤ cle 11348 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-pre-lttri 11278 ax-pre-lttrn 11279 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-po 5558 df-so 5559 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 |
| This theorem is used by: xaddge0 13392 ixxub 13501 ixxlb 13502 limsupval2 15653 0ram 17204 xpsdsval 24706 xblss2ps 24726 xblss2 24727 comet 24838 stdbdxmet 24840 nmoleub 25056 metnrmlem1 25185 nmoleub2lem 25441 ovollb2lem 25815 ovoliunlem2 25830 ovolscalem1 25840 ovolicc1 25843 ovolicc2lem4 25847 voliunlem2 25878 uniioombllem3 25912 itg2uba 26070 itg2lea 26071 itg2split 26076 itg2monolem3 26079 itg2gt0 26087 lhop1lem 26339 dvfsumlem2 26353 dvfsumlem3 26354 dvfsumlem4 26355 deg1addle2 26426 deg1sublt 26434 nmooge0 31375 ply1degltlss 34175 metideq 34572 measiun 34898 omssubadd 34979 carsgclctunlem2 34998 mblfinlem1 38669 ismblfin 38673 ftc1anclem8 38712 ftc1anc 38713 aks6d1c6lem2 43315 aks6d1c6lem3 43316 unitscyglem5 43343 hbtlem2 44220 idomodle 44287 xle2addd 46442 xralrple2 46460 infleinflem1 46475 xralrple4 46478 xralrple3 46479 suplesup2 46481 infleinf2 46518 infxrlesupxr 46540 inficc 46640 limsupequzlem 46826 limsupvaluz2 46842 supcnvlimsup 46844 liminfval2 46872 liminflelimsuplem 46879 limsupgtlem 46881 fourierdlem1 47212 sge0cl 47485 sge0lefi 47502 sge0iunmptlemre 47519 sge0isum 47531 omeunle 47620 omeiunle 47621 caratheodorylem2 47631 hoicvrrex 47660 ovnsubaddlem1 47674 ovolval5lem1 47756 pimdecfgtioo 47821 pimincfltioo 47822 |
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