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Mirrors > Home > MPE Home > Th. List > nltled | Structured version Visualization version GIF version |
Description: 'Not less than ' implies 'less than or equal to'. (Contributed by Glauco Siliprandi, 11-Dec-2019.) |
Ref | Expression |
---|---|
ltd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
ltd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
nltled.1 | ⊢ (𝜑 → ¬ 𝐵 < 𝐴) |
Ref | Expression |
---|---|
nltled | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nltled.1 | . 2 ⊢ (𝜑 → ¬ 𝐵 < 𝐴) | |
2 | ltd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
3 | ltd.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
4 | 2, 3 | lenltd 10780 | . 2 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ ¬ 𝐵 < 𝐴)) |
5 | 1, 4 | mpbird 259 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∈ wcel 2110 class class class wbr 5058 ℝcr 10530 < clt 10669 ≤ cle 10670 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pr 5321 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4561 df-pr 4563 df-op 4567 df-br 5059 df-opab 5121 df-xp 5555 df-cnv 5557 df-xr 10673 df-le 10675 |
This theorem is referenced by: dedekind 10797 suprub 11596 infrelb 11620 suprzub 12333 prodge0rd 12490 seqf1olem1 13403 bitsfzolem 15777 bitsmod 15779 reconnlem2 23429 ioombl1lem4 24156 dgrub 24818 dgrlb 24820 1smat1 31064 imo72b2 40518 dvbdfbdioolem2 42207 stoweidlem14 42293 fourierdlem10 42396 fourierdlem12 42398 fourierdlem20 42406 fourierdlem24 42410 fourierdlem50 42435 fourierdlem54 42439 fourierdlem63 42448 fourierdlem65 42450 fourierdlem75 42460 fourierdlem79 42464 fouriersw 42510 etransclem3 42516 etransclem7 42520 etransclem10 42523 etransclem15 42528 etransclem20 42533 etransclem21 42534 etransclem22 42535 etransclem24 42537 etransclem25 42538 etransclem27 42540 etransclem32 42545 |
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