trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:; f5 w  t. r3 X4 z+ S* K" w) m, ~
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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:
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李天命d 書聽聞非常正

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, R! J, V8 s# c9 G6 ~+ N) D: ~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。5 T3 o, S+ [9 y  X
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first time do it...not a bad grade
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+ C# S* D0 D! [5 }' p2 L[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens  z: {0 j4 x- q0 l
P --> Q, 因為 P  所以 Q
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Modus tollendo tollens
- a, v$ v# g2 o7 ^+ G! t! N; }P --> Q, 取得 ~P  所以 ~Q9 m$ c/ Q1 r* N1 l# x% P
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Disjunctive syllogism
8 v' X/ f' _4 i) E1 A+ \, v/ _0 R7 wP or Q, 取得 ~P  所以 Q
$ N, @  F+ _& y- ]% N/ ZP or Q, 取得 ~Q  所以 P: h) E$ s; A' `6 d) v: p6 I
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Conjunctive syllogism
; `4 Z6 U# A+ c~(P & Q), 取得 P  所以 ~Q
9 `4 J! [1 q; e: \' a* q~(P & Q), 取得 Q  所以 ~P5 Q; n# @5 p, R6 A

; l2 y1 W7 j" _7 z2 e/ V4 U9 EHypothetical syllogism) A. K3 |9 y' P$ j
P --> Q, 取得 Q --> R  所以 P --> R" _, U! m3 f7 R* s
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De Morgan's theorem5 l1 u0 v+ ]' B2 T; H  @, Z
~(P & Q)  所以 ~P or ~Q
+ j- u* {- B2 R% c9 V~(P or Q)  所以 ~P & ~Q