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Mirrors > Home > MPE Home > Th. List > leloed | Structured version Visualization version GIF version |
Description: 'Less than or equal to' in terms of 'less than'. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
ltd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
ltd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
Ref | Expression |
---|---|
leloed | ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
2 | ltd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
3 | leloe 11061 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) | |
4 | 1, 2, 3 | syl2anc 584 | 1 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∨ wo 844 = wceq 1539 ∈ wcel 2106 class class class wbr 5074 ℝcr 10870 < clt 11009 ≤ cle 11010 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-resscn 10928 ax-pre-lttri 10945 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-nel 3050 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 |
This theorem is referenced by: mulge0 11493 prodgt0 11822 lemul1 11827 fimaxre 11919 fiminre 11922 supfirege 11962 nn0le2is012 12384 nn0o1gt2 16090 2mulprm 16398 reconnlem1 23989 reconnlem2 23990 ivthle 24620 ivthle2 24621 ovolicc2lem3 24683 itgsplitioo 25002 dvlip 25157 dvge0 25170 dvfsumlem1 25190 dgrco 25436 plydivex 25457 coseq00topi 25659 logreclem 25912 scvxcvx 26135 pntrlog2bndlem5 26729 dnibndlem13 34670 lcmineqlem23 40059 lcmineqlem 40060 aks4d1p1 40084 sticksstones12a 40113 sticksstones22 40124 metakunt9 40133 elpell1qr2 40694 pellfundex 40708 fmul01lt1lem2 43126 wallispilem3 43608 fourierdlem25 43673 fourierdlem42 43690 lighneallem4b 45061 nn0o1gt2ALTV 45146 stgoldbwt 45228 sbgoldbwt 45229 sbgoldbalt 45233 nnsum3primesle9 45246 bgoldbtbndlem1 45257 |
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