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發表 G@ry 於 星期三 十一月 14, 2007 2:49 am

不加蛋的蛋花湯 寫到:#ed_op#div#ed_cl#謝謝各位大師的指點~~#ed_op#br#ed_cl##ed_op#br#ed_cl#但是我想請教一下~~#ed_op#br#ed_cl##ed_op#br#ed_cl#為什麼有的老師會堅持喜歡用原文書呢~?!#ed_op#br#ed_cl##ed_op#br#ed_cl#像我白天還要上班..#ed_op#br#ed_cl##ed_op#br#ed_cl#晚上還要上課..用原文書的話~#ed_op#br#ed_cl##ed_op#br#ed_cl#每天把時間花再翻譯上就好嚕~~~ˊvˋ#ed_op#/div#ed_cl#
#ed_op#br#ed_cl#離散數學中的最基礎部份如邏輯、集論等皆是源於中世紀的歐洲,而且離散數學很多時講求精確,故用原文書來理解的話便不會有因書本上的誤釋而做成的錯誤理解...#ed_op#br#ed_cl##ed_op#br#ed_cl#數學是文學的一種,不用原文書來閱讀便很多時不能完全理解作者的本意...因為沒有一種語言能只用翻譯而完全表達出另一種語言所表達的意思...簡單如"sorry"也不是中文的"對不起"所能完全表達...#ed_op#br#ed_cl##ed_op#br#ed_cl#覺得花時間的話你可以多買一本中文譯本來對照... 一來方便不用翻譯,二來即時看得出原文與譯本上會否有些微語意上的不同... #ed_op#br#ed_cl#

發表 讀過數學系... 於 星期日 十一月 11, 2007 5:47 pm

一來沒有中文書可用
二來用原文書才能和最新的數學接軌
(等書翻好中文上市,內容又不同啦)

不然你可問問你老師看看
相信會是相近的答案

其實數學的原文書不難看
看久了都是一個樣
你會愈看愈順的

發表 不加蛋的蛋花湯 於 星期日 十一月 11, 2007 5:33 pm

#ed_op#DIV#ed_cl#謝謝各位大師的指點~~#ed_op#BR#ed_cl##ed_op#BR#ed_cl#但是我想請教一下~~#ed_op#BR#ed_cl##ed_op#BR#ed_cl#為什麼有的老師會堅持喜歡用原文書呢~?!#ed_op#BR#ed_cl##ed_op#BR#ed_cl#像我白天還要上班..#ed_op#BR#ed_cl##ed_op#BR#ed_cl#晚上還要上課..用原文書的話~#ed_op#BR#ed_cl##ed_op#BR#ed_cl#每天把時間花再翻譯上就好嚕~~~ˊvˋ#ed_op#/DIV#ed_cl#

發表 G@ry 於 星期四 十月 25, 2007 9:03 pm

等待著的深藍 寫到:第五題用truth table
#ed_op#br#ed_cl##ed_op#img src="richedit/upload/2kc5fa813403.png" alt="image file name: 2kc5fa813403.png" border="0"#ed_cl##ed_op#br#ed_cl##ed_op#br#ed_cl#

發表 等待著的深藍 於 星期四 十月 25, 2007 7:15 pm

第五題用truth table

發表 G@ry 於 星期三 十月 24, 2007 11:34 pm

1. ∀y∀xP(x,y) ≡ ∀x∀yP(x,y) ≡ false -- y必需為0#ed_op#br#ed_cl##ed_op#br#ed_cl#2. ∃y∃xP(x,y) ≡ ∃x∃yP(x,y) ≡ true#ed_op#br#ed_cl##ed_op#br#ed_cl#3. Let p = "george has eight legs", q = "george is an insect"#ed_op#br#ed_cl#premises:#ed_op#br#ed_cl#1. ~p#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl# →#ed_op#/span#ed_cl##ed_op#/span#ed_cl# ~q#ed_op#br#ed_cl#2. q#ed_op#br#ed_cl#(~p#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#→~q)#ed_op#/span#ed_cl##ed_op#/span#ed_cl##ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#Λ#ed_op#/span#ed_cl##ed_op#/span#ed_cl#q ≡ (~(~p)#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#V#ed_op#/span#ed_cl##ed_op#/span#ed_cl#~q)#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#Λ#ed_op#/span#ed_cl##ed_op#/span#ed_cl#q ≡ (p#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#V#ed_op#/span#ed_cl##ed_op#/span#ed_cl#~q)#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#Λ#ed_op#/span#ed_cl##ed_op#/span#ed_cl#q ≡ (p#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#Λ#ed_op#/span#ed_cl##ed_op#/span#ed_cl#q)#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#V(#ed_op#/span#ed_cl##ed_op#/span#ed_cl#~q#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#Λ#ed_op#/span#ed_cl##ed_op#/span#ed_cl#q) ≡ (p#ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#Λ#ed_op#/span#ed_cl##ed_op#/span#ed_cl#q) #ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl##ed_op#/span#ed_cl##ed_op#/span#ed_cl##ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl##ed_op#/span#ed_cl##ed_op#/span#ed_cl##ed_op#span id="convert157827"#ed_cl##ed_op#span class="postbody"#ed_cl#→ #ed_op#/span#ed_cl##ed_op#/span#ed_cl#p#ed_op#br#ed_cl##ed_op#br#ed_cl#4. ∃y∀xP(x,y) -- true  y=0 令所有x也符合 P(x,y)#ed_op#br#ed_cl#=> ∀x∃yP(x,y) -- true 所有x也找到一些y (y=0)[註:可以是不同的y]令其符合P(x,y)#ed_op#br#ed_cl##ed_op#br#ed_cl#5. distributive law 便是... 有沒有規定要用甚麼方法來證明?#ed_op#br#ed_cl##ed_op#br#ed_cl#

[數學]離散數學的問題(很急很急很急)

發表 不加蛋的蛋花湯 於 星期三 十月 24, 2007 10:05 pm

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