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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 11243 | . 2 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) | |
| 2 | rexr 11243 | . 2 ⊢ (𝐵 ∈ ℝ → 𝐵 ∈ ℝ*) | |
| 3 | xrmin2 13195 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → if(𝐴 ≤ 𝐵, 𝐴, 𝐵) ≤ 𝐵) | |
| 4 | 1, 2, 3 | syl2an 607 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → if(𝐴 ≤ 𝐵, 𝐴, 𝐵) ≤ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2145 ifcif 4483 class class class wbr 5105 ℝcr 11087 ℝ*cxr 11230 ≤ cle 11232 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-pre-lttri 11162 ax-pre-lttrn 11163 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-br 5106 df-opab 5168 df-mpt 5187 df-id 5547 df-po 5560 df-so 5561 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-er 8682 df-en 8932 df-dom 8933 df-sdom 8934 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 |
| This theorem is referenced by: ssfzunsnext 13588 reccn2 15638 ssblex 24546 nlmvscnlem1 24804 nrginvrcnlem 24809 icccmplem2 24942 xlebnum 25085 ipcnlem1 25365 ivthlem2 25572 ovolicc2lem5 25641 ioombl1lem1 25678 mbfi1fseqlem4 25838 mbfi1fseqlem5 25839 aalioulem5 26458 aalioulem6 26459 cxpcn3lem 26870 ftalem5 27199 chtdif 27280 ppidif 27285 chebbnd1lem1 27591 itg2addnc 38185 min2d 46045 mullimc 46190 mullimcf 46197 limcleqr 46216 addlimc 46220 0ellimcdiv 46221 limclner 46223 stoweidlem5 46577 fourierdlem104 46782 ioorrnopnlem 46876 hoidmv1lelem2 47164 smfmullem1 47363 |
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