trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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8 x. t2 z, g+ v2 S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:, M! l/ x7 R( p- s

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  m9 d; F: y; S% |* `. S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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- H$ k8 V( i8 ^  Y% v7 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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1 S# l/ m0 N4 a- [9 N# |first time do it...not a bad grade- w' x6 R. b5 V3 H
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[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
, K7 ]+ t+ [- n* a9 }$ dP --> Q, 因為 P  所以 Q
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Modus tollendo tollens. }. ]) d; k% B' ~
P --> Q, 取得 ~P  所以 ~Q3 C5 ^1 `7 `2 c3 h. U7 a
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Disjunctive syllogism2 Z' D9 {$ b4 t6 c
P or Q, 取得 ~P  所以 Q
9 s8 R2 s/ H5 \( sP or Q, 取得 ~Q  所以 P  j+ [( m# @' @1 k  e

0 |7 B4 y: i  L: V, o5 X- g% i* NConjunctive syllogism9 w8 N- q0 B3 l& H% E
~(P & Q), 取得 P  所以 ~Q
  k! [9 v/ \' y~(P & Q), 取得 Q  所以 ~P
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Hypothetical syllogism" j5 s# D! e  H+ Y% B! y: E
P --> Q, 取得 Q --> R  所以 P --> R
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De Morgan's theorem6 {1 ]: i. `) X& a, T" o% n, W
~(P & Q)  所以 ~P or ~Q( q! T$ A. w6 u- ]$ \0 O
~(P or Q)  所以 ~P & ~Q