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2006 年 10 月 16 日 星期一 【晴】

ai...無奈就梗ga la~都咪話唔失望~自從開學後都成個幾月la~仲係咁~蘇軾...太極十二式~

--------
ai...本來都唔想o係blog度問呢d野,只係慘左去City i-day羞恥扮F.7問Maths Dept都冇答案~
好灰咁lor~
---------
請各路人士扙義協助小弟解決以下難題:

Ⅰ.以下兩個命題是否真?若否,試證明之,並試指出可以如何修改。
x: just a dummy
A,B: sets

1.
[for all x in A, x is in B] is
equivalent to [if x is in A, then x is in B]
equivalent to [[x is not in A] or [x is in B]]

2.
[there exist x in A such that x is in B] is
equivalent to [not [for all x in A, x is not in B]]
equivalent to [not [[x is not in A] or [x is not in B]]]
equivalent to [[x is in A] and [x is in B]]

(中文版:

1.
[對於所有 x 屬於 A, x 屬於 B] 是
等同於 [當 x 屬於 A, x 屬於 B]
等同於 [[x 不屬於 A] 或 [x 屬於 B]]

2.
[存在 x 屬於 A 使 x 屬於 B] 是
等同於 [非 [對於所有 x 屬於 A, x 不屬於 B]]
等同於 [非 [[x 不屬於 A] 或 [x 不屬於 B]]]
等同於 [[x 屬於 A] 及 [x 屬於 B]]
)

Ⅱ. 證明以下命題為真(或假)
p(x): a proposition about x
Let A,B be subsets of Real numbers, C={a+b: "a is in A" and "b is in B"}
Let f: AxB->C, f(a,b)=a+b
"
[for all (a,b) in AxB, p(a+b)]
implies [for all x in C, p(x)]
"

>>October 16, 2006 at 2:05:19 AM GMT+8


2006 年 10 月 11 日 星期三 【晴】

Yeah Yeah Yeah~
理唱,成了!

銷情~ok la~

佈置,i like it!
金嗓子! i like it!

只係好冇安全感,因為我乜都唔知,失了職~sorry~
因為之前果晚造個女人造得太夜,所以冇去了解過成個流程~...

整體,我俾60分 la~太多出錯la...

-------
多謝王駿請食宵!
多謝台上台下現莊上莊參賽者評判觀眾sponsorsKenny~~

-------
好可惜,這個女人...她只生存了大約二十四小時...前一晚才出世,這晚就解體...
有很多人還未跟她影相哩!

-------
火啊~再燒起來吧~

------
我心裡倚靠他,就得幫助~
將身體獻上,當作活祭,是聖潔的,是神所喜悅的,你們如此事奉,乃是理所當然的。

------
數學,可以研究有定義的東西,但為何要這樣定義,她不會正面回應,
定義...是在建立模型,但模型始終是模型,是否事實可以怎樣考究?

------

>>October 11, 2006 at 2:20:03 AM GMT+8


2006 年 9 月 30 日 星期六 【晴】

ai...訓晏左~決定走跳舞堂,蝕左$70

用d時間做其他野~例如打呢篇blog entry

又做返d理應日日做o既野~包括要用電腦的同唔使用電腦的。

--------------
尋日又Quiz~MAT2010A Advanced Calculus Quiz 1,15分只做了6分,錯了1分...=.=

WRA~~~~~~~~睇返份卷,即刻覺得唔可能咁都唔識做!!!!

---------------
o係屋企成功做左袋麵~haha~

---------------
last night經歷左一個好寶貴o既經歷。
多謝Cyrus同Raymond o既關心

---------------

>>September 30, 2006 at 12:47:11 PM GMT+8


2006 年 9 月 28 日 星期四 【晴】

尋日去左尖咀探elsa的班,幫襯了不少。
只是趕住返屋企食飯,如果唔係實會hAE多陣~

奶油筒不是想像中好食,
煙囪__超正!
菠蘿切好食。
椰絲撻都好食。

仲有!包糖(米通朱古力扭結糖)!超正!軟硬適中,味道香甜,口感豐富...

haha~大飽口福!好幸福啊~

-----

唔記得講,有個course, MAT2050A, elementary analysis,係我好鍾意o既一科。
不過,第一次quiz,full mark: 30, mean: 16, standard deviation: 8, my marks: 13,
tutor's comment: "This quiz is relatively easy".
雖然係咁,我都係咁鍾意,一來因為course content夠堅,夠嚴謹,二來因為恭孚。

-----
陳瑩瑩,估唔到你會有功課唔識做...
-----

H3於LT4的CHM堂的老闆,勁!

-----
要賺錢!不過唔想補習,因為我唔鍾意人補習,興趣班就ok~
例如:對數學或物理有興趣卻苦無門路的中學生,
我可以以低廉價錢($100/hr)教授各種課程外的數學及物理技巧和知識。

有人係咁好學o既就介紹俾我la~

>>September 28, 2006 at 9:16:07 PM GMT+8


2006 年 9 月 27 日 星期三 【晴】

你們是我的朋友
我願意向你們講論那一位的作為

-----
時間過得太快了....
數學能力上,是有進步的,但卻仍很幼嫩,
手上有的工具還未用好。
距離為數學開聲,還是有uncountably many steps

-----
理唱初賽結束!好多估唔到咁厲害o既人!
接著是決賽的最後準備,同第二浪的宣傳攻勢!
請支持理唱,買飛入場,盜錄絕對不能給你現場的效果!
門票於10月28日起,
每日的1230-1430與1730-1630於理學院學生活動中心(SCE LG)理學院院會會室,
每日的1230-1430於煲底counter有售。

今年仲有關智斌(Kenny)做嘉賓!

-----
可能身邊的人都很謙虛,遇到不太謙虛的人時會感到有點不安

>>September 27, 2006 at 12:18:59 AM GMT+8


2006 年 9 月 20 日 星期三 【晴】

wa!今日第一次用理唱專用長beat同短beat,第一次洗can,lag哂機...=.=
嗌到盡!感覺谷得好盡,唔知會唔會谷到塊面紅左~:P

打壁球...都係一至兩人一個場好,三個已經超迫。

買左本書,仲有本未買...赤貧中...做比咬包更頹o既事~

如果有情,是多好...
因為可以飲水飽...
咁樣就可以靠免費水機維生...

--------
終於都稍為習慣d maths~
不過d assignment真係殺死我~...好彩唔係好計分....~可以hAE做
不過!我一定會讀識佢!

--------
x=y => x+a=y+a??????

>>September 20, 2006 at 8:03:15 PM GMT+8


2006 年 9 月 18 日 星期一 【晴】

wa ha ha~week day努力奮鬥,結果weekend碌過左~

願神的旨意行在地上,"如同行在天上"~

>>September 18, 2006 at 1:32:03 AM GMT+8


2006 年 9 月 16 日 星期六 【晴】

又一week~

洗班洗到high左~
其實~一方面搞理唱會少左時間讀書~
另一方面~理唱俾我暫時忘記果d數學問題~

-------

認真諗~究竟我想從Drama搵d乜呢?
其實~我只係諗住體會一下唔同人o既心境~
所以~我只會選做演員~

上莊又為左乜呢?
可以話為左學做leader~去serve人~
又可以鍛練一下自己~
當然~唔少得係宿分~

------

或者d gag真係好爛~
但係我唔怕爛,只怕變左gap~
若然連gap都要接受,咁就即係以羞恥為榮~

-----

見到屈機人*~8,好可怕~
不過社工過然厲害~竟然安慰到我~
咁我就繼續默默努力,silently~silently~看誰能笑到最後~

-----

可能我太好勝~無法交到同系的朋友~

>>September 16, 2006 at 10:44:19 AM GMT+8


2006 年 9 月 12 日 星期二 【晴】

好冷~

數學的赤裸,是她的美,也是她的惡
暈了~orz~

天氣凍,記住加多件衫~
----------------
你說:"唔好咁八卦la~"......係ar~我好八卦ga~係差左八d咩姐~
----------------
你說:"我諗唔到理由要take 80..."......um...呢個course...雖然唔係話易到暈...不過都係煩到暈,悶到暈~

>>September 12, 2006 at 6:04:53 AM GMT+8


2006 年 9 月 11 日 星期一 【晴】

yumjinjoba.......原來沒有誇大,也不是傳說...
或者我地好好彩,不過亦有人唔係咁好彩~
聽到之後好唔舒服~

ai~~~我究竟為甚麼痛心呢?
------------------

將身體獻上,當作活祭,是聖潔的,是神所喜悅的,你們如此事奉,乃是理所當然的。
羅12:1

-----------------
我舅父話,讀數o既人語文最差,因為同親佢地講野佢地都會用數學語言o黎諗野同講野。
結果講野就會一舊舊....

事實上,我覺得舅父講得幾o岩,我真係差唔多到達用數學語言諗野o既境界~
可能係我有份不合理的執著,相信數學語言能進步到夠用...而實際上是遠遠不夠~
是時候又反省一下自己的思考方法的改善方法~
舅父話講故仔可以improve表達能力,我都覺得係o既,只係我搵唔到唔浪費我時間o既故仔書~又搵唔到人聽我講故~

這算不算是浪子回頭?

>>September 11, 2006 at 2:02:03 AM GMT+8


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姓名: 楊添偉~
Nickname: 楊Tim, Tim仔, Tim爺, A.Tim, ade, 魏常, Tim Tim, Tim哥
抖第一口氣果日: 1987年11月7日
宗教: 基督教
興趣: 數學,物理,規矩,神的話,Parkour,body movement
特點: 容易信人,不過唔好呃我
follow instructions well
doing things in my ways
hoped to be god's ways
理想: to know how to live
and
to teach people how to live
and
to be and to last
MSN: [email protected]
性格: surely not sure
nerd
師承: 東華三院黎鄧潤球幼稚園(下午校)
聖博德小學(下午校)
迦密中學
IPhO培訓
中大數學系

因過去而愛上
因現在而深愛
因未來而守候

xanga: atimmit
註:為求方便,以[凸]代替
******************
**┌────┐**
**│**┌┐**│**
**│┌┘└┐│**
**│└──┘│**
**└────┘**
*****************

讀者留言

路人留言   |

remeber someone
>>March 19, 2010 at 12:35:17 AM GMT+8

hihi <br>我行過ja..
>>January 13, 2008 at 9:09:23 PM GMT+8

Oh...so you stil
>>March 1, 2006 at 1:16:19 AM GMT+8

xanga: atimmit
>>December 17, 2005 at 11:20:30 PM GMT+8

hihi <br>
>>December 12, 2005 at 9:34:53 PM GMT+8

謝謝你賞面出席我和列sir在20
>>November 17, 2005 at 1:57:18 AM GMT+8

你跳得好正啊﹏ <br>原來你咁
>>February 18, 2005 at 1:09:22 AM GMT+8

緊係要寫密d啦~唔係既話我有咩看
>>November 22, 2004 at 9:58:26 AM GMT+8

Um...基督教敬拜會... <
>>November 21, 2004 at 11:59:24 PM GMT+8

Hi~添偉.....
>>October 14, 2004 at 7:51:02 PM GMT+8

冇錯,係好無聊 <br> <br
>>October 13, 2004 at 12:49:46 AM GMT+8

原來.....你的生活是如此無聊
>>October 11, 2004 at 11:11:33 PM GMT+8

hihi~~ <br>第一次來,
>>July 21, 2004 at 6:58:43 PM GMT+8

Can't use IE? Th
>>July 6, 2004 at 8:50:21 AM GMT+8

悶..
>>June 27, 2004 at 5:01:57 PM GMT+8

Wawawawa~~~ <br>
>>June 26, 2004 at 1:05:19 PM GMT+8

好~不過好貴~
>>June 25, 2004 at 2:16:37 PM GMT+8

加太賀? 下次一齊去食la, 我
>>June 25, 2004 at 12:36:44 AM GMT+8

SuN唔係曬,係"溫暖"~~ <
>>June 20, 2004 at 4:19:44 PM GMT+8

>個Sun又勁曬... <br>
>>June 20, 2004 at 2:59:16 PM GMT+8

e~~~~~細個果時得意好多wo
>>June 15, 2004 at 7:05:53 PM GMT+8

無錯....係"顏色的科學"(科
>>June 9, 2004 at 1:40:44 PM GMT+8

pei.......etv?
>>June 8, 2004 at 7:32:58 PM GMT+8

人生可否是一塊濾鏡呢? <br>
>>June 4, 2004 at 11:43:40 PM GMT+8

我都發過d 停電夢....lol
>>May 26, 2004 at 3:54:57 PM GMT+8

出黎食sushi........
>>May 20, 2004 at 2:22:02 PM GMT+8

等佢再再再再重播la... <b
>>April 25, 2004 at 7:22:13 PM GMT+8

ha~johna,點可以忘記ga
>>April 12, 2004 at 5:31:08 PM GMT+8

eh...我入左咩會呀????
>>April 8, 2004 at 11:25:18 PM GMT+8

娟... <br>多謝你提供寶貴
>>April 8, 2004 at 3:45:10 PM GMT+8

ha~ 你誤解左a team 發
>>April 7, 2004 at 6:01:43 PM GMT+8

嗚嗚~~ <br> <br>(原
>>April 4, 2004 at 7:46:37 PM GMT+8

究竟...咩係十大!? <br>
>>April 3, 2004 at 7:53:55 PM GMT+8

...就o黎四點 <br>多謝你
>>March 24, 2004 at 4:03:20 AM GMT+8

嘩嘩... <br>而家2:00
>>March 22, 2004 at 1:52:21 AM GMT+8

其實你無錯 <br> <br>"
>>March 21, 2004 at 1:29:21 AM GMT+8

睇o黎我要寫多幾篇日記
>>March 20, 2004 at 7:57:17 PM GMT+8

I stopped it bef
>>March 19, 2004 at 3:52:53 PM GMT+8

To: Pei <br> <br
>>March 14, 2004 at 1:24:25 PM GMT+8

其實,我都明明地你o既condi
>>March 13, 2004 at 10:45:00 PM GMT+8

有冇睇過"大隻佬"ar? <br
>>March 12, 2004 at 10:16:02 PM GMT+8

咩標殺令? 無la la 提o既
>>January 26, 2004 at 11:39:44 PM GMT+8

It's an addict
>>January 25, 2004 at 10:50:16 PM GMT+8

ha ha ha........
>>January 25, 2004 at 4:44:34 PM GMT+8

DO NOT gamble...
>>January 25, 2004 at 3:44:50 AM GMT+8

老婆~你要小心身體先得ga~ <
>>December 30, 2003 at 1:24:04 AM GMT+8

保重身體ar~~
>>December 29, 2003 at 4:57:00 PM GMT+8

e.....我講左d咩嚇親你?!
>>December 26, 2003 at 2:05:18 PM GMT+8

呵~~呵~~我0黎0左啦~ <b
>>December 20, 2003 at 12:23:06 AM GMT+8

Whatever happens
>>December 7, 2003 at 12:54:02 AM GMT+8

If你心中寒冷,1句關懷,1
>>December 6, 2003 at 12:10:05 AM GMT+8

try to go slower
>>November 16, 2003 at 8:37:13 AM GMT+8

喂...miss左你個messa
>>November 7, 2003 at 4:22:22 PM GMT+8

Hey, <br>Great j
>>November 7, 2003 at 12:52:50 AM GMT+8

楊tim...咀淡先, <br>
>>November 6, 2003 at 4:48:00 PM GMT+8

wa ha ha....好耐冇上
>>November 6, 2003 at 1:46:15 PM GMT+8

ha ha~~~提下你唔好成日玩
>>October 18, 2003 at 7:42:21 PM GMT+8

ha ha...俾siu 串完我
>>October 8, 2003 at 10:16:20 PM GMT+8

I still remember
>>September 14, 2003 at 5:21:25 PM GMT+8

hey... <br>about
>>September 12, 2003 at 5:20:30 PM GMT+8

寫返la????~~~~ <br
>>August 31, 2003 at 6:13:50 PM GMT+8

係呀!好耐冇見+好耐冇做過野la
>>August 26, 2003 at 1:32:07 AM GMT+8

喂, 好耐冇見+好耐冇見你寫啦.
>>August 24, 2003 at 1:53:52 AM GMT+8

sorry...印唔清... <
>>August 16, 2003 at 7:44:16 PM GMT+8

Tom, <br> <br>有呀
>>August 16, 2003 at 5:00:02 PM GMT+8

會考past paper有無印得
>>August 15, 2003 at 3:28:35 PM GMT+8

甘去讀書~ <br>好似係一條友
>>August 15, 2003 at 12:37:45 AM GMT+8

wa.......甘去邊ar??
>>August 13, 2003 at 5:46:10 PM GMT+8

我神早除左la....ha ha
>>July 12, 2003 at 1:00:05 AM GMT+8

請路人來看看~ <br>講下意見
>>July 11, 2003 at 1:09:20 PM GMT+8

ke ke.....你竟然A 用
>>July 9, 2003 at 6:59:23 PM GMT+8

wa.....我都超想有個pas
>>July 5, 2003 at 8:22:31 PM GMT+8

我知hkflash都有~ <br
>>July 4, 2003 at 12:05:08 PM GMT+8

wa....我本身都唔想封ga,
>>July 4, 2003 at 12:55:35 AM GMT+8

WAHAHA~
>>July 2, 2003 at 5:50:40 PM GMT+8

楊tim 好黑人憎ar.....
>>June 26, 2003 at 7:06:29 PM GMT+8

第一次留言....有D不請自來咁
>>June 23, 2003 at 5:34:40 PM GMT+8

Dirty Bomb...我都有
>>June 19, 2003 at 10:27:13 PM GMT+8

嘩... <br>幅野好正~ 好
>>June 18, 2003 at 9:20:51 AM GMT+8

...........
>>June 15, 2003 at 8:09:14 PM GMT+8

我都paid 左$50 蚊ga~
>>June 13, 2003 at 3:50:38 PM GMT+8

我paid左$50~ <br>買
>>June 13, 2003 at 2:42:05 PM GMT+8

嘩, vip wor~ <br>
>>June 12, 2003 at 4:47:51 PM GMT+8

請留意時間... <br> <b
>>June 9, 2003 at 3:46:13 PM GMT+8

wa...johna 同楊tim
>>June 9, 2003 at 3:34:10 PM GMT+8

無心向學o既楊添... <br>
>>June 8, 2003 at 10:41:00 PM GMT+8

<strong>我諗</stro
>>June 7, 2003 at 3:58:27 PM GMT+8

不論是開心還是傷心~ <br>內
>>June 7, 2003 at 1:54:15 PM GMT+8

WA.... 楊tim 話事la
>>June 6, 2003 at 5:49:13 PM GMT+8

鬧醒左娟<< 冇 <br> <b
>>June 6, 2003 at 1:50:56 PM GMT+8


>>June 1, 2003 at 7:24:38 PM GMT+8

.... <br> <br>wa
>>June 1, 2003 at 5:39:26 PM GMT+8

喂~~~~ <br>你一d 都唔
>>May 30, 2003 at 4:12:34 PM GMT+8

日記~ <br>無計,又遲左~
>>May 16, 2003 at 7:00:57 PM GMT+8

算la, 楊tim, 我會for
>>May 1, 2003 at 12:43:29 PM GMT+8

其實唔係janet最早發起 <b
>>April 27, 2003 at 3:22:17 PM GMT+8

friendtest唔係我開始先
>>April 19, 2003 at 11:36:26 PM GMT+8

多謝你wor....成日提起我.
>>April 18, 2003 at 6:33:09 PM GMT+8

hunter喎,幾好聽吖!
>>April 11, 2003 at 6:31:34 PM GMT+8

其實跳樓只需3層樓 <br>頭落
>>April 11, 2003 at 5:32:57 PM GMT+8

<body bgcolor="#
>>April 11, 2003 at 4:38:11 PM GMT+8

<bgsound src="ht
>>April 11, 2003 at 4:22:18 PM GMT+8

ha ha....有進步wor.
>>April 9, 2003 at 1:24:36 AM GMT+8

你點能夠一直用書面語ga???好
>>April 5, 2003 at 12:17:57 AM GMT+8

嘩~~~~~~~~~~~~~ <
>>April 4, 2003 at 12:38:17 AM GMT+8

Ade....你要小心身體ar!
>>March 24, 2003 at 9:56:33 PM GMT+8

謝謝關心~ <br> <br>今
>>March 22, 2003 at 8:38:44 PM GMT+8

小心身體啊!希望meao gro
>>March 17, 2003 at 12:00:07 AM GMT+8

楊添好野~~~ <br>叫我寫日
>>March 16, 2003 at 1:25:52 PM GMT+8

yeung tim, <br>
>>March 14, 2003 at 11:11:39 PM GMT+8

yeung tim <br>你o
>>March 6, 2003 at 10:25:54 PM GMT+8

why the ans is t
>>March 3, 2003 at 9:44:43 PM GMT+8

who are you??
>>February 14, 2003 at 8:10:55 PM GMT+8

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