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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 11291 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) | |
| 4 | 1, 2, 3 | syl2anc 595 | 1 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∨ wo 860 = wceq 1570 ∈ wcel 2143 class class class wbr 5109 ℝcr 11094 < clt 11238 ≤ cle 11239 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-resscn 11152 ax-pre-lttri 11169 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 |
| This theorem is referenced by: mulge0 11727 prodgt0 12057 lemul1 12062 fimaxre 12154 fiminre 12157 supfirege 12197 nn0le2is012 12655 nn0o1gt2 16434 2mulprm 16746 reconnlem1 24984 reconnlem2 24985 ivthle 25615 ivthle2 25616 ovolicc2lem3 25678 itgsplitioo 25997 dvlip 26152 dvge0 26165 dvfsumlem1 26185 dgrco 26432 plydivex 26458 coseq00topi 26667 logreclem 26927 scvxcvx 27150 pntrlog2bndlem5 27745 fzo0opth 33148 dnibndlem13 37099 lcmineqlem23 42838 lcmineqlem 42839 aks4d1p1 42863 sticksstones12a 42944 sticksstones22 42955 elpell1qr2 43619 pellfundex 43633 fmul01lt1lem2 46321 wallispilem3 46801 fourierdlem25 46866 fourierdlem42 46883 chnsubseqwl 47615 lighneallem4b 48381 nprmdvdsfacm1lem2 48393 nn0o1gt2ALTV 48479 stgoldbwt 48561 sbgoldbwt 48562 sbgoldbalt 48566 nnsum3primesle9 48579 bgoldbtbndlem1 48590 |
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