trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:- ~8 E; k: L' y: `1 o
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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:- T7 l/ E% |) \5 @
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0 C7 S2 _5 o, A, R李天命d 書聽聞非常正

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% f  L& }/ ?. P8 ?& S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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5 r1 _4 n* H3 {9 H- v! ?0 j4 A% t8 m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。: p2 Q8 W0 B' n

+ z' l# `1 N6 g3 c0 t! K. w7 ?first time do it...not a bad grade- O; S( J( h7 L! K3 y" @

- _3 A; w5 F( ]* T  x, b& K: i3 l[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens, U. M  n5 t. u$ \
P --> Q, 因為 P  所以 Q6 s- ?. K) V6 O/ H5 r% g
" h/ Q; Q/ c, C; X
Modus tollendo tollens/ e. \3 s7 H2 S
P --> Q, 取得 ~P  所以 ~Q( t$ l0 @9 Z- j$ U) g

+ e  a- B) @, ^5 `5 l" l! zDisjunctive syllogism8 K. @7 U, B4 K7 y- [1 X) g
P or Q, 取得 ~P  所以 Q
: Y2 }8 s6 x) d4 w; m. pP or Q, 取得 ~Q  所以 P; I" M6 W) X4 v6 M" x" Z& T6 S) i

5 m7 f. R+ w  IConjunctive syllogism
1 Z7 Z3 R, m6 h% [& N) l/ a8 H~(P & Q), 取得 P  所以 ~Q
( _/ o/ ~* _- c# ]9 g- U/ }~(P & Q), 取得 Q  所以 ~P9 @/ d# o9 b1 L0 r: N6 y
2 q' u  y( {! _& t2 o( O; B
Hypothetical syllogism9 r+ }9 I! X. m( B, U% u; Q
P --> Q, 取得 Q --> R  所以 P --> R( e. _; x2 Z$ w' G! p$ t0 {+ o! B- s
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De Morgan's theorem  ?( v5 A; K! i7 d, [8 V5 j  V. m
~(P & Q)  所以 ~P or ~Q
. L& ?2 f3 @1 y5 u~(P or Q)  所以 ~P & ~Q