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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 10775 | . 2 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ ¬ 𝐵 < 𝐴)) |
5 | 1, 4 | mpbird 260 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∈ wcel 2111 class class class wbr 5030 ℝcr 10525 < clt 10664 ≤ cle 10665 |
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-pr 5295 |
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-ral 3111 df-rex 3112 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-br 5031 df-opab 5093 df-xp 5525 df-cnv 5527 df-xr 10668 df-le 10670 |
This theorem is referenced by: dedekind 10792 suprub 11589 infrelb 11613 suprzub 12327 prodge0rd 12484 seqf1olem1 13405 bitsfzolem 15773 bitsmod 15775 reconnlem2 23432 ioombl1lem4 24165 dgrub 24831 dgrlb 24833 1smat1 31157 metakunt28 39377 metakunt30 39379 imo72b2 40878 dvbdfbdioolem2 42571 stoweidlem14 42656 fourierdlem10 42759 fourierdlem12 42761 fourierdlem20 42769 fourierdlem24 42773 fourierdlem50 42798 fourierdlem54 42802 fourierdlem63 42811 fourierdlem65 42813 fourierdlem75 42823 fourierdlem79 42827 fouriersw 42873 etransclem3 42879 etransclem7 42883 etransclem10 42886 etransclem15 42891 etransclem20 42896 etransclem21 42897 etransclem22 42898 etransclem24 42900 etransclem25 42901 etransclem27 42903 etransclem32 42908 |
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