Our panel of 91 professional philosophers has responded to

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

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.