Our panel of 91 professional philosophers has responded to

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

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.