trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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5 L, Y6 v" }6 Y" S( M/ ^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:! x- s$ B+ F! ~
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8 X3 r, ?: k! ?1 F. g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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& Q& l! n9 d& t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。
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first time do it...not a bad grade
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5 ~0 ^- f0 n: k0 A- }[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
: V$ t: p5 x6 _9 ~# lP --> Q, 因為 P  所以 Q  F( j+ h1 @- `! L

% l) z8 L0 N: E* ZModus tollendo tollens! I7 O9 C+ {/ B6 u8 d
P --> Q, 取得 ~P  所以 ~Q9 s* m" r$ d4 R% W) O5 x+ e. j
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Disjunctive syllogism
8 g2 q. J4 M# y4 {6 bP or Q, 取得 ~P  所以 Q
8 B. g5 Z! m& p2 [. }1 E, uP or Q, 取得 ~Q  所以 P
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8 f2 i9 n, E+ r# lConjunctive syllogism& M) U" V- v5 j) Q& C5 y  k6 w( b
~(P & Q), 取得 P  所以 ~Q
/ B+ g4 f: N7 P6 z~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism6 i  @! b; A( J  \
P --> Q, 取得 Q --> R  所以 P --> R* l3 Y( V1 o# T
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De Morgan's theorem
( H/ W* d3 n3 j, r~(P & Q)  所以 ~P or ~Q, Y1 L/ E2 ]! p5 Y: Z
~(P or Q)  所以 ~P & ~Q