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Mirrors > Home > MPE Home > Th. List > max1 | Structured version Visualization version GIF version |
Description: A number is less than or equal to the maximum of it and another. See also max1ALT 12582. (Contributed by NM, 3-Apr-2005.) |
Ref | Expression |
---|---|
max1 | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → 𝐴 ≤ if(𝐴 ≤ 𝐵, 𝐵, 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rexr 10690 | . 2 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) | |
2 | rexr 10690 | . 2 ⊢ (𝐵 ∈ ℝ → 𝐵 ∈ ℝ*) | |
3 | xrmax1 12571 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → 𝐴 ≤ if(𝐴 ≤ 𝐵, 𝐵, 𝐴)) | |
4 | 1, 2, 3 | syl2an 597 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → 𝐴 ≤ if(𝐴 ≤ 𝐵, 𝐵, 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2113 ifcif 4470 class class class wbr 5069 ℝcr 10539 ℝ*cxr 10677 ≤ cle 10679 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 ax-cnex 10596 ax-resscn 10597 ax-pre-lttri 10614 ax-pre-lttrn 10615 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-nel 3127 df-ral 3146 df-rex 3147 df-rab 3150 df-v 3499 df-sbc 3776 df-csb 3887 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-pw 4544 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-opab 5132 df-mpt 5150 df-id 5463 df-po 5477 df-so 5478 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-er 8292 df-en 8513 df-dom 8514 df-sdom 8515 df-pnf 10680 df-mnf 10681 df-xr 10682 df-ltxr 10683 df-le 10684 |
This theorem is referenced by: z2ge 12594 ssfzunsnext 12955 uzsup 13234 expmulnbnd 13599 discr1 13603 rexuzre 14715 rexico 14716 caubnd 14721 limsupgre 14841 limsupbnd2 14843 rlim3 14858 lo1bdd2 14884 o1lo1 14897 rlimclim1 14905 lo1mul 14987 rlimno1 15013 cvgrat 15242 ruclem10 15595 bitsfzo 15787 1arith 16266 setsstruct2 16524 evth 23566 ioombl1lem1 24162 mbfi1flimlem 24326 itg2monolem3 24356 iblre 24397 itgreval 24400 iblss 24408 i1fibl 24411 itgitg1 24412 itgle 24413 itgeqa 24417 iblconst 24421 itgconst 24422 ibladdlem 24423 itgaddlem2 24427 iblabslem 24431 iblabsr 24433 iblmulc2 24434 itgmulc2lem2 24436 itgsplit 24439 plyaddlem1 24806 coeaddlem 24842 o1cxp 25555 cxp2lim 25557 cxploglim2 25559 ftalem1 25653 ftalem2 25654 chtppilim 26054 dchrisumlem3 26070 ostth2lem2 26213 ostth3 26217 knoppndvlem18 33872 ibladdnclem 34952 itgaddnclem2 34955 iblabsnclem 34959 iblmulc2nc 34961 itgmulc2nclem2 34963 ftc1anclem5 34975 irrapxlem4 39428 irrapxlem5 39429 rexabslelem 41698 uzublem 41710 max1d 41731 uzubioo 41849 climsuse 41895 limsupubuzlem 41999 limsupmnfuzlem 42013 limsupequzmptlem 42015 limsupre3uzlem 42022 liminflelimsuplem 42062 ioodvbdlimc1lem2 42223 ioodvbdlimc2lem 42225 |
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