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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 11396 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) | |
| 4 | 1, 2, 3 | syl2anc 596 | 1 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∨ wo 861 = wceq 1570 ∈ wcel 2145 class class class wbr 5103 ℝcr 11199 < clt 11343 ≤ cle 11344 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-resscn 11257 ax-pre-lttri 11274 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 |
| This theorem is used by: mulge0 11834 prodgt0 12164 lemul1 12169 fimaxre 12261 fiminre 12264 supfirege 12304 nn0le2is012 12763 nn0o1gt2 16551 2mulprm 16868 reconnlem1 25146 reconnlem2 25147 ivthle 25777 ivthle2 25778 ovolicc2lem3 25840 itgsplitioo 26158 dvlip 26313 dvge0 26326 dvfsumlem1 26346 dgrco 26594 plydivex 26618 coseq00topi 26831 logreclem 27090 scvxcvx 27313 pntrlog2bndlem5 27908 fltoprmgt3 27996 fzo0opth 33395 dnibndlem13 37356 lcmineqlem23 43101 lcmineqlem 43102 aks4d1p1 43126 sticksstones12a 43207 sticksstones22 43218 elpell1qr2 43878 pellfundex 43892 fmul01lt1lem2 46596 wallispilem3 47076 fourierdlem25 47141 fourierdlem42 47158 chnsubseqwl 47888 lighneallem4b 48693 nprmdvdsfacm1lem2 48705 nn0o1gt2ALTV 48791 stgoldbwt 48873 sbgoldbwt 48874 sbgoldbalt 48878 nnsum3primesle9 48891 bgoldbtbndlem1 48902 |
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