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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 12578. (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 10686 | . 2 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℝ*) | |
2 | rexr 10686 | . 2 ⊢ (𝐵 ∈ ℝ → 𝐵 ∈ ℝ*) | |
3 | xrmax1 12567 | . 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 2110 ifcif 4466 class class class wbr 5065 ℝcr 10535 ℝ*cxr 10673 ≤ cle 10675 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5202 ax-nul 5209 ax-pow 5265 ax-pr 5329 ax-un 7460 ax-cnex 10592 ax-resscn 10593 ax-pre-lttri 10610 ax-pre-lttrn 10611 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4567 df-pr 4569 df-op 4573 df-uni 4838 df-br 5066 df-opab 5128 df-mpt 5146 df-id 5459 df-po 5473 df-so 5474 df-xp 5560 df-rel 5561 df-cnv 5562 df-co 5563 df-dm 5564 df-rn 5565 df-res 5566 df-ima 5567 df-iota 6313 df-fun 6356 df-fn 6357 df-f 6358 df-f1 6359 df-fo 6360 df-f1o 6361 df-fv 6362 df-er 8288 df-en 8509 df-dom 8510 df-sdom 8511 df-pnf 10676 df-mnf 10677 df-xr 10678 df-ltxr 10679 df-le 10680 |
This theorem is referenced by: z2ge 12590 ssfzunsnext 12951 uzsup 13230 expmulnbnd 13595 discr1 13599 rexuzre 14711 rexico 14712 caubnd 14717 limsupgre 14837 limsupbnd2 14839 rlim3 14854 lo1bdd2 14880 o1lo1 14893 rlimclim1 14901 lo1mul 14983 rlimno1 15009 cvgrat 15238 ruclem10 15591 bitsfzo 15783 1arith 16262 setsstruct2 16520 evth 23562 ioombl1lem1 24158 mbfi1flimlem 24322 itg2monolem3 24352 iblre 24393 itgreval 24396 iblss 24404 i1fibl 24407 itgitg1 24408 itgle 24409 itgeqa 24413 iblconst 24417 itgconst 24418 ibladdlem 24419 itgaddlem2 24423 iblabslem 24427 iblabsr 24429 iblmulc2 24430 itgmulc2lem2 24432 itgsplit 24435 plyaddlem1 24802 coeaddlem 24838 o1cxp 25551 cxp2lim 25553 cxploglim2 25555 ftalem1 25649 ftalem2 25650 chtppilim 26050 dchrisumlem3 26066 ostth2lem2 26209 ostth3 26213 knoppndvlem18 33868 ibladdnclem 34947 itgaddnclem2 34950 iblabsnclem 34954 iblmulc2nc 34956 itgmulc2nclem2 34958 ftc1anclem5 34970 irrapxlem4 39420 irrapxlem5 39421 rexabslelem 41690 uzublem 41702 max1d 41723 uzubioo 41841 climsuse 41887 limsupubuzlem 41991 limsupmnfuzlem 42005 limsupequzmptlem 42007 limsupre3uzlem 42014 liminflelimsuplem 42054 ioodvbdlimc1lem2 42215 ioodvbdlimc2lem 42217 |
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