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Mirrors > Home > MPE Home > Th. List > lttri | Structured version Visualization version GIF version |
Description: 'Less than' is transitive. Theorem I.17 of [Apostol] p. 20. (Contributed by NM, 14-May-1999.) |
Ref | Expression |
---|---|
lt.1 | ⊢ 𝐴 ∈ ℝ |
lt.2 | ⊢ 𝐵 ∈ ℝ |
lt.3 | ⊢ 𝐶 ∈ ℝ |
Ref | Expression |
---|---|
lttri | ⊢ ((𝐴 < 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lt.1 | . 2 ⊢ 𝐴 ∈ ℝ | |
2 | lt.2 | . 2 ⊢ 𝐵 ∈ ℝ | |
3 | lt.3 | . 2 ⊢ 𝐶 ∈ ℝ | |
4 | lttr 10706 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → ((𝐴 < 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) | |
5 | 1, 2, 3, 4 | mp3an 1458 | 1 ⊢ ((𝐴 < 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∈ wcel 2111 class class class wbr 5030 ℝcr 10525 < clt 10664 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-resscn 10583 ax-pre-lttrn 10601 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-ltxr 10669 |
This theorem is referenced by: 1lt3 11798 2lt4 11800 1lt4 11801 3lt5 11803 2lt5 11804 1lt5 11805 4lt6 11807 3lt6 11808 2lt6 11809 1lt6 11810 5lt7 11812 4lt7 11813 3lt7 11814 2lt7 11815 1lt7 11816 6lt8 11818 5lt8 11819 4lt8 11820 3lt8 11821 2lt8 11822 1lt8 11823 7lt9 11825 6lt9 11826 5lt9 11827 4lt9 11828 3lt9 11829 2lt9 11830 1lt9 11831 8lt10 12218 7lt10 12219 6lt10 12220 5lt10 12221 4lt10 12222 3lt10 12223 2lt10 12224 1lt10 12225 sincos2sgn 15539 epos 15552 ene1 15555 dvdslelem 15651 oppcbas 16980 sralem 19942 zlmlem 20210 psgnodpmr 20279 tnglem 23246 xrhmph 23552 vitalilem4 24215 pipos 25053 logneg 25179 asin1 25480 reasinsin 25482 atan1 25514 log2le1 25536 bposlem8 25875 bposlem9 25876 chebbnd1lem2 26054 chebbnd1lem3 26055 chebbnd1 26056 mulog2sumlem2 26119 pntibndlem1 26173 pntlemb 26181 pntlemk 26190 ttglem 26670 cchhllem 26681 axlowdimlem16 26751 dp2ltc 30589 sgnnbi 31913 sgnpbi 31914 signswch 31941 hgt750lem 32032 hgt750lem2 32033 logi 33079 cnndvlem1 33989 bj-minftyccb 34640 bj-pinftynminfty 34642 irrdiff 34740 asindmre 35140 fdc 35183 sn-0ne2 39544 fourierdlem94 42842 fourierdlem102 42850 fourierdlem103 42851 fourierdlem104 42852 fourierdlem112 42860 fourierdlem113 42861 fourierdlem114 42862 fouriersw 42873 etransclem23 42899 |
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