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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 11256 | . 2 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) | |
| 2 | rexr 11256 | . 2 ⊢ (𝐵 ∈ ℝ → 𝐵 ∈ ℝ*) | |
| 3 | xrmin2 13205 | . 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 2143 ifcif 4488 class class class wbr 5110 ℝcr 11100 ℝ*cxr 11243 ≤ cle 11245 |
| 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 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-cnex 11157 ax-resscn 11158 ax-pre-lttri 11175 ax-pre-lttrn 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 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 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 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 8695 df-en 8945 df-dom 8946 df-sdom 8947 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 |
| This theorem is referenced by: ssfzunsnext 13599 reccn2 15650 ssblex 24566 nlmvscnlem1 24824 nrginvrcnlem 24829 icccmplem2 24962 xlebnum 25105 ipcnlem1 25385 ivthlem2 25592 ovolicc2lem5 25661 ioombl1lem1 25698 mbfi1fseqlem4 25858 mbfi1fseqlem5 25859 aalioulem5 26478 aalioulem6 26479 cxpcn3lem 26890 ftalem5 27219 chtdif 27300 ppidif 27305 chebbnd1lem1 27611 itg2addnc 38303 min2d 46167 mullimc 46312 mullimcf 46319 limcleqr 46338 addlimc 46342 0ellimcdiv 46343 limclner 46345 stoweidlem5 46699 fourierdlem104 46904 ioorrnopnlem 46998 hoidmv1lelem2 47286 smfmullem1 47485 |
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