trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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咪就係話你醒過頭,所以吾會明其他人吾明D咩囉

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guswan

Originally posted by trista_cheong at 2006-10-18 16:10:! V( ]+ ?# t* m! x

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李天命d 書聽聞非常正

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$ Y$ m' {% b0 O4 d8 m睇晒李天命都只得7分..............

pigcat

9分ja~~

trista_cheong

Originally posted by guswan at 2006-10-18 10:26 PM:
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睇晒李天命都只得7分..............

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: M9 `* L) a& N: ]6 G( P/ J5 ?7 分好多ga la wor 你仲想點?

Chingy

0-13分者为优秀（上限10％）；14－19分者为良好（20％）；20－25分者为中等（30％）；26－48分者为不佳（下限40％）。你的分数是13分，属于优秀。, S: R: B) I/ R" H- `+ Y- g
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first time do it...not a bad grade% x/ T5 T0 y" K9 o, r( p

! z6 w0 o" X7 a* [[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens% Y1 q4 T& E" P* p$ }. v# L
P --> Q, 因為 P  所以 Q4 Y- R& N. j8 z$ M- M9 H5 M
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Modus tollendo tollens1 ^3 }" L" n" I
P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
$ t9 ^4 `5 w1 I8 n- s, dP or Q, 取得 ~P  所以 Q! D! i7 j: F* [* D/ R: J8 I
P or Q, 取得 ~Q  所以 P
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8 I# \$ X: ^1 j" F  JConjunctive syllogism
: g4 ]5 J. A1 I5 o: b~(P & Q), 取得 P  所以 ~Q
$ ^& s8 F3 p) D# \& J7 T~(P & Q), 取得 Q  所以 ~P5 g/ q' l* ^3 g3 d4 l1 D4 C2 v
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Hypothetical syllogism# }5 y3 J* T# n
P --> Q, 取得 Q --> R  所以 P --> R' i/ n/ z# L9 X6 }! A( u. d7 n
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De Morgan's theorem! }* S  D6 c1 K) a- B
~(P & Q)  所以 ~P or ~Q4 w* \, r8 h6 S: N4 E7 o, e6 p
~(P or Q)  所以 ~P & ~Q