
逻辑推理
Presentation
•
Mathematics
•
11th - 12th Grade
•
Hard
陈美溢 陈美溢
Used 3+ times
FREE Resource
15 Slides • 7 Questions
1
研究思维的形式及其规律的科学
逻辑学logic
2
Multiple Select
叙述(statement)为逻辑研究对象。
可以确定其所表示的判断正确或错误(but not both)的陈述句,叫做命题(proposition,但SPM maths课程依然用statement) 。
请勾选命题:
x+5=y−3
方程式 x2−5x+6=0 有两个正实根。
ΔABC∼ΔA′B′C′
必然事件的概率为1
3
布尔代数Boolean Algebra
4
Multiple Select
真值Truth value:真命题的真值为1;假命题的真值为0。
p: 所有偶数都不是质数。
q: 所有的整数都是正数。
r: ∀x∈R, 2x>0
s: 最小的自然数是1。
请勾选正确的。
p=1
q=1
r=1
s=1
5
布尔代数Boolean Algebra
6
复合命题
Compound Proposition
由简单命题经过逻辑联结词联结而成的命题
7
Fill in the Blanks
Type answer...
8
Fill in the Blanks
Type answer...
9
Multiple Select
写出负命题:
s: 所有的整数都是正数。
所有的整数都不是正数。
不是所有的整数都是正数。
有的整数不是正数。
10
真值表Truth table:
负命题
Some text here about the topic of discussion
11
合取 Conjuction
且 AND ∧
联言命题
12
真值表Truth table:
联言命题(合取)
13
Fill in the Blanks
Type answer...
14
析取 Disjuction
或 OR ∨
选言命题
15
真值表Truth table:
选言命题(析取)
16
Fill in the Blanks
Type answer...
17
真值表练习
习题11e Q3a&b (pg 59)
18
重言式(永真式)Tautology
矛盾式 (永假式)Contradiction
19
真值表练习
析取与合取的例子
pg 59: 习题11e 2b,2d
20
逻辑等价
Logical equivalence
21
狄摩根律(De morgan's law)
22
双否定律
(law of double negation)
研究思维的形式及其规律的科学
逻辑学logic
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