trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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- c- ?; D+ k& \% h0 m9 J% C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 16:10:9 D) j' a: M; z5 K/ z+ G( P3 ~

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李天命d 書聽聞非常正

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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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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。- V- i3 ?) ?5 D/ I4 q# Q
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first time do it...not a bad grade
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens% X% s3 u4 a% E, S. b9 R; G% x
P --> Q, 因為 P  所以 Q
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& E( \& A* R0 \  u" K# xModus tollendo tollens( }* t+ W3 @2 U$ T7 y
P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism& T7 t; q- w, o# A" B$ l$ J  ?  |
P or Q, 取得 ~P  所以 Q
" P+ @; j2 e9 K: b9 Q/ bP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
" S. u6 W/ v7 H- j~(P & Q), 取得 P  所以 ~Q- O: z! k) K5 p* o6 I2 K" V0 U
~(P & Q), 取得 Q  所以 ~P
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5 n8 h2 b1 P& c/ w# \8 `2 bHypothetical syllogism2 I; A! ]% v; `; [, p: J
P --> Q, 取得 Q --> R  所以 P --> R" y1 a7 C+ F7 w% H0 i

( M- F& x4 x) V5 P/ [: W# s% `De Morgan's theorem
; O7 m/ }0 Z: r: P3 p~(P & Q)  所以 ~P or ~Q
  u! S6 ]2 a+ X) r: }' C~(P or Q)  所以 ~P & ~Q