trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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5 I, w/ i  L/ j. ]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:
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& F; Z% f' U% q李天命d 書聽聞非常正

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( O! e" q0 R! n7 x  T- o2 p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。$ ?& y# |3 X( g" C

' `* I6 E" M; C4 }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. c- V# z$ ~' v' c; Z0 |1 m
P --> Q, 因為 P  所以 Q
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, M% {4 {; j: l! s+ t7 lModus tollendo tollens2 R  C7 @; n1 _- R% }8 K
P --> Q, 取得 ~P  所以 ~Q9 ~. O2 h9 t7 T5 o

% Z2 b5 F" l0 N. b# O. N4 c1 VDisjunctive syllogism
" N7 b8 Z$ d) N8 aP or Q, 取得 ~P  所以 Q, s7 c' o7 m- A
P or Q, 取得 ~Q  所以 P# f9 e/ r( _& H
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Conjunctive syllogism
0 r# a! E' F; j# U# t~(P & Q), 取得 P  所以 ~Q
8 P/ n- H7 v/ Y/ ]' D~(P & Q), 取得 Q  所以 ~P8 z- V- H! C0 X/ N

+ A( ^5 S+ b; ^$ m/ |Hypothetical syllogism! G0 I  X4 X3 y) S0 _$ }
P --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem
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~(P or Q)  所以 ~P & ~Q