trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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. w* I0 c  j9 Q( b# 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:" N2 L. v6 D, X& t; |
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; f3 n: m8 ~# _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:5 N$ @# E3 Z! J. t) [7 G" f! i& |

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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。; A0 y! j  k# T! N, v( @
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first time do it...not a bad grade
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+ J# [6 W( \. ?$ F  K[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
) K# m* a/ t; m1 F% yP --> Q, 因為 P  所以 Q
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( O( e% b% e0 V3 Y0 `- I; QModus tollendo tollens
" n/ I! U4 {6 F3 UP --> Q, 取得 ~P  所以 ~Q
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) w* I3 A6 p0 w1 JDisjunctive syllogism* `; j: [8 T: Y( w
P or Q, 取得 ~P  所以 Q" x; R/ x0 c$ A% F$ k
P or Q, 取得 ~Q  所以 P5 g8 l; I+ b8 w! o& Y
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Conjunctive syllogism
, w; l$ W& A2 r) @- f~(P & Q), 取得 P  所以 ~Q2 A2 P* c" w; i9 z0 i# S
~(P & Q), 取得 Q  所以 ~P6 u; y9 V. V7 O0 w# {

$ {$ J+ j0 c( }) k  m+ ~Hypothetical syllogism
! E/ @5 ]. Y, a. ?P --> Q, 取得 Q --> R  所以 P --> R! U- J, A7 o  ?/ h, T
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De Morgan's theorem
8 Y" z- H- H" h% C- e7 Q~(P & Q)  所以 ~P or ~Q
. `0 l% t9 a9 g8 P~(P or Q)  所以 ~P & ~Q