Our panel of 91 professional philosophers has responded to

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

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.