trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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1 n9 V0 D0 L, E, A$ ~& `; M% I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 z, G, @4 a* u- B
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李天命d 書聽聞非常正

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9 q* o4 Y) a6 @2 A: m4 h: Y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:) e% ]7 M* y0 a' c# g4 q. {

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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。3 M$ p5 l) v7 c+ D4 J

  K: f/ f6 s& i5 S5 gfirst time do it...not a bad grade
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( Z: o, `- c7 r9 M$ H[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
8 k; V8 p  e/ {6 x8 \4 w! CP --> Q, 因為 P  所以 Q$ n- [$ b- ^& u: J" I
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Modus tollendo tollens, K+ M% D& X- ?' K" A2 F
P --> Q, 取得 ~P  所以 ~Q
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Disjunctive syllogism
# A, `- h2 D7 y" h5 EP or Q, 取得 ~P  所以 Q
, Z9 |  I% t7 dP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism
7 @6 t2 |, K, {) [# F~(P & Q), 取得 P  所以 ~Q- }5 e: R# b) ?7 @' u$ M8 b
~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism) [& ~! L  V" E7 n
P --> Q, 取得 Q --> R  所以 P --> R) }1 r8 \2 v+ f

5 R: S8 h3 u9 Z( k* D* r, W1 GDe Morgan's theorem1 z, s4 q) w* `6 {" l
~(P & Q)  所以 ~P or ~Q: N1 q3 E4 `1 I" H  S- j, w
~(P or Q)  所以 ~P & ~Q