Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > lelttr | Structured version Visualization version GIF version |
Description: Transitive law. (Contributed by NM, 23-May-1999.) |
Ref | Expression |
---|---|
lelttr | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | leloe 10805 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) | |
2 | 1 | 3adant3 1133 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) |
3 | lttr 10795 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → ((𝐴 < 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) | |
4 | 3 | expd 419 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → (𝐴 < 𝐵 → (𝐵 < 𝐶 → 𝐴 < 𝐶))) |
5 | breq1 5033 | . . . . . 6 ⊢ (𝐴 = 𝐵 → (𝐴 < 𝐶 ↔ 𝐵 < 𝐶)) | |
6 | 5 | biimprd 251 | . . . . 5 ⊢ (𝐴 = 𝐵 → (𝐵 < 𝐶 → 𝐴 < 𝐶)) |
7 | 6 | a1i 11 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → (𝐴 = 𝐵 → (𝐵 < 𝐶 → 𝐴 < 𝐶))) |
8 | 4, 7 | jaod 858 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → ((𝐴 < 𝐵 ∨ 𝐴 = 𝐵) → (𝐵 < 𝐶 → 𝐴 < 𝐶))) |
9 | 2, 8 | sylbid 243 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → (𝐴 ≤ 𝐵 → (𝐵 < 𝐶 → 𝐴 < 𝐶))) |
10 | 9 | impd 414 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐶 ∈ ℝ) → ((𝐴 ≤ 𝐵 ∧ 𝐵 < 𝐶) → 𝐴 < 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∨ wo 846 ∧ w3a 1088 = wceq 1542 ∈ wcel 2114 class class class wbr 5030 ℝcr 10614 < clt 10753 ≤ cle 10754 |
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 1975 ax-7 2020 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2162 ax-12 2179 ax-ext 2710 ax-sep 5167 ax-nul 5174 ax-pow 5232 ax-pr 5296 ax-un 7479 ax-resscn 10672 ax-pre-lttri 10689 ax-pre-lttrn 10690 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2075 df-mo 2540 df-eu 2570 df-clab 2717 df-cleq 2730 df-clel 2811 df-nfc 2881 df-ne 2935 df-nel 3039 df-ral 3058 df-rex 3059 df-rab 3062 df-v 3400 df-sbc 3681 df-csb 3791 df-dif 3846 df-un 3848 df-in 3850 df-ss 3860 df-nul 4212 df-if 4415 df-pw 4490 df-sn 4517 df-pr 4519 df-op 4523 df-uni 4797 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5429 df-xp 5531 df-rel 5532 df-cnv 5533 df-co 5534 df-dm 5535 df-rn 5536 df-res 5537 df-ima 5538 df-iota 6297 df-fun 6341 df-fn 6342 df-f 6343 df-f1 6344 df-fo 6345 df-f1o 6346 df-fv 6347 df-er 8320 df-en 8556 df-dom 8557 df-sdom 8558 df-pnf 10755 df-mnf 10756 df-xr 10757 df-ltxr 10758 df-le 10759 |
This theorem is referenced by: letr 10812 lelttri 10845 lelttrd 10876 letrp1 11562 ltmul12a 11574 ledivp1 11620 supmul1 11687 bndndx 11975 uzind 12155 fnn0ind 12162 rpnnen1lem5 12463 xrinfmsslem 12784 elfzo0z 13170 nn0p1elfzo 13171 fzofzim 13175 elfzodifsumelfzo 13194 flge 13266 flflp1 13268 flltdivnn0lt 13294 modfzo0difsn 13402 fsequb 13434 expnlbnd2 13687 ccat2s1fvw 14087 ccat2s1fvwOLD 14088 swrdswrd 14156 pfxccatin12lem3 14183 repswswrd 14235 caubnd2 14807 caubnd 14808 mulcn2 15043 cn1lem 15045 rlimo1 15064 o1rlimmul 15066 climsqz 15088 climsqz2 15089 rlimsqzlem 15098 climsup 15119 caucvgrlem2 15124 iseralt 15134 cvgcmp 15264 cvgcmpce 15266 ruclem3 15678 ruclem12 15686 ltoddhalfle 15806 algcvgblem 16018 ncoprmlnprm 16168 pclem 16275 infpn2 16349 gsummoncoe1 21079 mp2pm2mplem4 21560 metss2lem 23264 ngptgp 23389 nghmcn 23498 iocopnst 23692 ovollb2lem 24240 ovolicc2lem4 24272 volcn 24358 ismbf3d 24406 dvcnvrelem1 24769 dvfsumrlim 24783 ulmcn 25146 mtest 25151 logdivlti 25363 isosctrlem1 25556 ftalem2 25811 chtub 25948 bposlem6 26025 gausslemma2dlem2 26103 chtppilim 26211 dchrisumlem3 26227 pntlem3 26345 clwlkclwwlklem2a 27935 vacn 28629 nmcvcn 28630 blocni 28740 chscllem2 29573 lnconi 29968 staddi 30181 stadd3i 30183 ltflcei 35388 poimirlem29 35429 geomcau 35540 heibor1lem 35590 bfplem2 35604 rrncmslem 35613 climinf 42689 leltletr 44319 zm1nn 44328 iccpartigtl 44409 tgoldbach 44803 ply1mulgsumlem2 45262 difmodm1lt 45402 |
Copyright terms: Public domain | W3C validator |