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| Mirrors > Home > MPE Home > Th. List > min2 | Structured version Visualization version GIF version | ||
| Description: The minimum of two numbers is less than or equal to the second. (Contributed by NM, 3-Aug-2007.) |
| Ref | Expression |
|---|---|
| min2 | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → if(𝐴 ≤ 𝐵, 𝐴, 𝐵) ≤ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rexr 11155 | . 2 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) | |
| 2 | rexr 11155 | . 2 ⊢ (𝐵 ∈ ℝ → 𝐵 ∈ ℝ*) | |
| 3 | xrmin2 13074 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → if(𝐴 ≤ 𝐵, 𝐴, 𝐵) ≤ 𝐵) | |
| 4 | 1, 2, 3 | syl2an 596 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → if(𝐴 ≤ 𝐵, 𝐴, 𝐵) ≤ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2111 ifcif 4475 class class class wbr 5091 ℝcr 11002 ℝ*cxr 11142 ≤ cle 11144 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5234 ax-nul 5244 ax-pow 5303 ax-pr 5370 ax-un 7668 ax-cnex 11059 ax-resscn 11060 ax-pre-lttri 11077 ax-pre-lttrn 11078 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4476 df-pw 4552 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-br 5092 df-opab 5154 df-mpt 5173 df-id 5511 df-po 5524 df-so 5525 df-xp 5622 df-rel 5623 df-cnv 5624 df-co 5625 df-dm 5626 df-rn 5627 df-res 5628 df-ima 5629 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-f1 6486 df-fo 6487 df-f1o 6488 df-fv 6489 df-er 8622 df-en 8870 df-dom 8871 df-sdom 8872 df-pnf 11145 df-mnf 11146 df-xr 11147 df-ltxr 11148 df-le 11149 |
| This theorem is referenced by: ssfzunsnext 13466 reccn2 15501 ssblex 24341 nlmvscnlem1 24599 nrginvrcnlem 24604 icccmplem2 24737 xlebnum 24889 ipcnlem1 25170 ivthlem2 25378 ovolicc2lem5 25447 ioombl1lem1 25484 mbfi1fseqlem4 25644 mbfi1fseqlem5 25645 aalioulem5 26269 aalioulem6 26270 cxpcn3lem 26682 ftalem5 27012 chtdif 27093 ppidif 27098 chebbnd1lem1 27405 itg2addnc 37713 min2d 45510 mullimc 45655 mullimcf 45662 limcleqr 45681 addlimc 45685 0ellimcdiv 45686 limclner 45688 stoweidlem5 46042 fourierdlem104 46247 ioorrnopnlem 46341 hoidmv1lelem2 46629 smfmullem1 46828 |
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