trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:, P; r: N- C7 C% C5 c0 {- V
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/ P/ w1 r9 f+ [8 w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 16:10:8 g6 q- {* d4 ]

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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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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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$ s7 Z& _- z$ c7 K2 u2 c6 J[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
% D! s$ V# ~! S, j( ]P --> Q, 因為 P  所以 Q6 F* X" W/ {. a

+ ~8 W/ H3 p( l0 pModus tollendo tollens
" S. B; V3 B( Q: |" MP --> Q, 取得 ~P  所以 ~Q; j6 E, Y" C, C0 u$ o: J2 a

: z& s1 L) S5 MDisjunctive syllogism
5 B7 G& I4 |0 A6 t3 rP or Q, 取得 ~P  所以 Q# @4 H- h! q$ G7 z9 Q) C
P or Q, 取得 ~Q  所以 P- G4 T2 R4 W' i9 d9 M

5 J2 V# j$ ]7 z2 iConjunctive syllogism. D' }* K% U$ d2 F. ?' ?
~(P & Q), 取得 P  所以 ~Q
2 N! W; C9 ^. H/ R1 W~(P & Q), 取得 Q  所以 ~P' w2 Y; a: c; e9 H. k( b# n# Y
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Hypothetical syllogism
  C9 D$ L: `9 w; eP --> Q, 取得 Q --> R  所以 P --> R- e" Z, ]! ]4 \  a

. Z, n4 @# n7 rDe Morgan's theorem
) _2 m/ T9 c7 H- j, d3 l2 k~(P & Q)  所以 ~P or ~Q' x  Z: \- n% ?- `# M0 Q. l1 v; j
~(P or Q)  所以 ~P & ~Q