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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 11260 | . 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 206 ∨ wo 847 = wceq 1540 ∈ wcel 2109 class class class wbr 5107 ℝcr 11067 < clt 11208 ≤ cle 11209 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5251 ax-nul 5261 ax-pow 5320 ax-pr 5387 ax-un 7711 ax-resscn 11125 ax-pre-lttri 11142 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rab 3406 df-v 3449 df-sbc 3754 df-csb 3863 df-dif 3917 df-un 3919 df-in 3921 df-ss 3931 df-nul 4297 df-if 4489 df-pw 4565 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-br 5108 df-opab 5170 df-mpt 5189 df-id 5533 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-iota 6464 df-fun 6513 df-fn 6514 df-f 6515 df-f1 6516 df-fo 6517 df-f1o 6518 df-fv 6519 df-er 8671 df-en 8919 df-dom 8920 df-sdom 8921 df-pnf 11210 df-mnf 11211 df-xr 11212 df-ltxr 11213 df-le 11214 |
| This theorem is referenced by: mulge0 11696 prodgt0 12029 lemul1 12034 fimaxre 12127 fiminre 12130 supfirege 12170 nn0le2is012 12598 nn0o1gt2 16351 2mulprm 16663 reconnlem1 24715 reconnlem2 24716 ivthle 25357 ivthle2 25358 ovolicc2lem3 25420 itgsplitioo 25739 dvlip 25898 dvge0 25911 dvfsumlem1 25932 dgrco 26181 plydivex 26205 coseq00topi 26411 logreclem 26672 scvxcvx 26896 pntrlog2bndlem5 27492 fzo0opth 32728 dnibndlem13 36478 lcmineqlem23 42039 lcmineqlem 42040 aks4d1p1 42064 sticksstones12a 42145 sticksstones22 42156 elpell1qr2 42860 pellfundex 42874 fmul01lt1lem2 45583 wallispilem3 46065 fourierdlem25 46130 fourierdlem42 46147 lighneallem4b 47610 nn0o1gt2ALTV 47695 stgoldbwt 47777 sbgoldbwt 47778 sbgoldbalt 47782 nnsum3primesle9 47795 bgoldbtbndlem1 47806 |
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