trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:, ~( ~9 p' [; V, Z+ s$ b7 T
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3 T, C) }; R# U0 ?6 z& S( 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:  Y. h8 [. K! m% D! H1 [3 ~) ~
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李天命d 書聽聞非常正

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' `/ E: C, ~. d0 h1 ], j: C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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# y, F  B& u; A6 T+ C* ]6 [" u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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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
7 m+ G: `3 T" ~* _( qP --> Q, 因為 P  所以 Q1 K( M/ o0 V6 y8 U* N
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Modus tollendo tollens
8 a5 F, ^- {/ l' T# LP --> Q, 取得 ~P  所以 ~Q! r) L" |* t% R  S) Z

  [1 a, }" b! O7 g4 X( KDisjunctive syllogism
3 p& g$ @' X9 n" k1 KP or Q, 取得 ~P  所以 Q
! }! @% l6 |1 e! t% x8 EP or Q, 取得 ~Q  所以 P
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Conjunctive syllogism- V1 q0 V6 m% @, X4 d9 `7 t
~(P & Q), 取得 P  所以 ~Q; s" k. k! _$ h& W+ h7 I
~(P & Q), 取得 Q  所以 ~P1 e% ^' T- b- m: B' [+ k& F) q

$ }' l. T- b% E, {5 V- l, uHypothetical syllogism# B8 z" F1 K! N9 j+ }( G' O" C8 `
P --> Q, 取得 Q --> R  所以 P --> R
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  o; X+ J; V& E6 k! f/ WDe Morgan's theorem
" i! N: S9 F5 \7 z) x9 Z3 {3 Y~(P & Q)  所以 ~P or ~Q! e% ^3 `. Z2 z' A
~(P or Q)  所以 ~P & ~Q