trista_cheong

Originally posted by playbr2 at 2006-10-18 06:35 PM:
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% ]  o" P" Z0 P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:
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# u4 R1 J0 F: y) Q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。$ e1 t9 D8 X. K

& T! }" {" X- {& z( Kfirst time do it...not a bad grade0 w( h3 X. i/ f9 t: r+ s  H7 P

- J# `) v; |" M: M( o; ~[ Last edited by Chingy on 2006-10-19 at 07:31 PM ]

clkgtr

Modus ponendo ponens
0 M* q7 [$ a, B! aP --> Q, 因為 P  所以 Q
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Modus tollendo tollens+ I! y1 g+ u: o; h; A
P --> Q, 取得 ~P  所以 ~Q
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% @! R$ m0 _- u2 N9 h, a' l& {Disjunctive syllogism' `7 m' k" d- @/ F  v$ o6 X
P or Q, 取得 ~P  所以 Q- y8 c4 |" _, n; U/ N1 d1 J
P or Q, 取得 ~Q  所以 P% i7 L/ R- [5 X" V  B6 e, k) T

- R5 J* c$ ?3 zConjunctive syllogism
" [9 \4 w" I/ F  G4 z( L* x~(P & Q), 取得 P  所以 ~Q
" u7 P& ~6 R, F4 E~(P & Q), 取得 Q  所以 ~P% a9 ~3 g2 B6 A4 B$ z+ ~! L4 w

# x+ J/ g/ A1 J+ ^) V7 ?Hypothetical syllogism4 k! V$ r4 ]; ?) ~1 U, e* B
P --> Q, 取得 Q --> R  所以 P --> R' s" _5 J& q, |

9 D0 c7 m; i3 }- ^8 D$ F$ b: BDe Morgan's theorem
7 J8 f6 s% T& y" z6 s, T~(P & Q)  所以 ~P or ~Q- u" ~* g' ?, d6 W" M# `4 V7 x1 j
~(P or Q)  所以 ~P & ~Q