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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 11190 | . 2 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) | |
| 2 | rexr 11190 | . 2 ⊢ (𝐵 ∈ ℝ → 𝐵 ∈ ℝ*) | |
| 3 | xrmin2 13105 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → if(𝐴 ≤ 𝐵, 𝐴, 𝐵) ≤ 𝐵) | |
| 4 | 1, 2, 3 | syl2an 597 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → if(𝐴 ≤ 𝐵, 𝐴, 𝐵) ≤ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2114 ifcif 4481 class class class wbr 5100 ℝcr 11037 ℝ*cxr 11177 ≤ cle 11179 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-pre-lttri 11112 ax-pre-lttrn 11113 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-po 5540 df-so 5541 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 |
| This theorem is referenced by: ssfzunsnext 13497 reccn2 15532 ssblex 24384 nlmvscnlem1 24642 nrginvrcnlem 24647 icccmplem2 24780 xlebnum 24932 ipcnlem1 25213 ivthlem2 25421 ovolicc2lem5 25490 ioombl1lem1 25527 mbfi1fseqlem4 25687 mbfi1fseqlem5 25688 aalioulem5 26312 aalioulem6 26313 cxpcn3lem 26725 ftalem5 27055 chtdif 27136 ppidif 27141 chebbnd1lem1 27448 itg2addnc 37919 min2d 45825 mullimc 45970 mullimcf 45977 limcleqr 45996 addlimc 46000 0ellimcdiv 46001 limclner 46003 stoweidlem5 46357 fourierdlem104 46562 ioorrnopnlem 46656 hoidmv1lelem2 46944 smfmullem1 47143 |
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