Our panel of 91 professional philosophers has responded to

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

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.