trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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3 b, p0 k( U; }# k咪就係話你醒過頭,所以吾會明其他人吾明D咩囉

0 \, o2 D' k5 N) ~' r" w

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- n0 \* \+ [$ p, W: h/ e" O; x................................

guswan

Originally posted by trista_cheong at 2006-10-18 16:10:
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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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6 c% C8 t7 {; n' N" |, ]6 W( k; N5 m8 R: s* Q$ B$ R# A0 w/ F+ u
睇晒李天命都只得7分..............

6 @8 @# z) z. X- A1 n+ I# X5 y1 ^4 M# m6 R/ U6 D+ B8 u

% o: ]7 N4 ~; z# q$ Z8 |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。( B0 c  D$ V) Y
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first time do it...not a bad grade
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( ^1 x2 f" R) i9 [[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
* i- ]2 u9 {$ r, l! ]P --> Q, 因為 P  所以 Q- ~( W+ ?7 J5 Q7 J& z

0 M/ x1 ?' ^" z  Y1 [# @Modus tollendo tollens9 c  f- P2 o3 v
P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
. _: N2 q9 K! u6 v( \P or Q, 取得 ~P  所以 Q
" ^( {- C% r- h. E$ p1 u$ oP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
2 F  ~+ w+ D0 d~(P & Q), 取得 P  所以 ~Q+ T- |0 S& [% o# n& f
~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism
& E9 f1 ]+ Z+ R1 j/ nP --> Q, 取得 Q --> R  所以 P --> R! G+ [5 X8 k- O) `' C( ~$ S

8 _, ~1 M. Y$ |  A; s) [De Morgan's theorem1 E: ~& W. [3 i; \4 M4 Y! X
~(P & Q)  所以 ~P or ~Q. C7 G' X, r8 g+ N
~(P or Q)  所以 ~P & ~Q