Our panel of 91 professional philosophers has responded to

282
 questions about 
Knowledge
4
 questions about 
Economics
88
 questions about 
Physics
154
 questions about 
Sex
117
 questions about 
Children
374
 questions about 
Logic
39
 questions about 
Race
75
 questions about 
Perception
80
 questions about 
Death
70
 questions about 
Truth
31
 questions about 
Space
32
 questions about 
Sport
110
 questions about 
Animals
34
 questions about 
Music
105
 questions about 
Art
218
 questions about 
Education
208
 questions about 
Science
23
 questions about 
History
244
 questions about 
Justice
392
 questions about 
Religion
124
 questions about 
Profession
67
 questions about 
Feminism
134
 questions about 
Love
36
 questions about 
Literature
81
 questions about 
Identity
221
 questions about 
Value
2
 questions about 
Culture
170
 questions about 
Freedom
68
 questions about 
Happiness
287
 questions about 
Language
51
 questions about 
War
77
 questions about 
Emotion
75
 questions about 
Beauty
24
 questions about 
Suicide
2
 questions about 
Action
89
 questions about 
Law
58
 questions about 
Punishment
27
 questions about 
Gender
43
 questions about 
Color
1280
 questions about 
Ethics
151
 questions about 
Existence
110
 questions about 
Biology
284
 questions about 
Mind
5
 questions about 
Euthanasia
58
 questions about 
Abortion
574
 questions about 
Philosophy
96
 questions about 
Time
69
 questions about 
Business
54
 questions about 
Medicine

Question of the Day

The syllogism in question is not valid. Nothing logically guarantees that the set of single girls and the set of sad girls overlap. Even if both sets have members, it does not follow that they have any members in common. Compare: Some polygons are squares. Some polygons are triangles. But it is false that some polygons are square triangles.