Questions tagged [logic]
6 questions
77
votes
2 answers
Did Euler make the elementary mistake √-2 √-3 = √6?
The following extract is from Tristan Needham's Visual Complex Analysis,
Even in 1770 the situation was still sufficiently confused that it was possible for so great a mathematician as Euler to mistakenly argue that √-2 √-3 = √6.
I found this to…
Agile_Eagle
- 1,441
- 2
- 12
- 16
53
votes
1 answer
Do the Left Brain and Right Brain have different functions?
I've heard that the left brain controls the logical aspects of the thought and right brain controls the creative. Is there any truth to such claims?
Pulkit Sinha
- 1,241
- 1
- 11
- 8
12
votes
2 answers
Was Einstein's riddle (the zebra puzzle) created by Albert Einstein?
I guess a lot of people have seen this riddle which is commonly attributed to Einstein. What is the true source of it and did Einstein have anything to do with it and the claim that only 2% of the people are able to solve it?
user0820
- 400
- 4
- 7
10
votes
1 answer
Is Lojban completely unambiguous?
The description from Wikipedia:
Lojban (pronounced [ˈloʒban]) is a constructed, syntactically unambiguous human language based on predicate logic, succeeding the project of Loglan.
I understand that this is the goal of the language. Has it…
MrHen
- 6,113
- 37
- 59
8
votes
0 answers
Is being a professional logician associated with serious mental health issues?
In Indiscrete Thoughts, Gian-Carlo Rota claims that:
It cannot be a complete coincidence that several outstanding logicians of the twentieth century found shelter in asylums at some point in their lives: Cantor, Zermelo, Gödel and Post are…
Jayson Virissimo
- 3,155
- 3
- 20
- 27
4
votes
2 answers
Is obesity causing diabetes and other illness, and not just correlated with?
According to the World Health Organisation website: (emphasis mine)
What are common health consequences of overweight and obesity? Raised
BMI is a major risk factor for noncommunicable diseases such as:
cardiovascular diseases (mainly heart…
Bregalad
- 667
- 5
- 8