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M
Maths Pro
reacted to
fresh_42's post
in the thread
Induction theorem
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Like
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To complete the discussion about induction proofs, @Maths Pro, there can also be inductions where the induction step isn't +1 but any...
Jan 21, 2026
M
Maths Pro
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Dr.Peterson's post
in the thread
Induction theorem
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Like
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I don't think you quite meant what you wrote. The statement being proved is P(n): n! is divisible by 7. This is only true for n>=7...
Jan 21, 2026
A
Atum
replied to the thread
Theorem for quadratic equations
.
Jan 21, 2026
K
khansaheb
reacted to
fresh_42's post
in the thread
How Important Is Algebra for Getting a University Diploma?
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I am the wrong person to defend the usage of the term algebra in English. Algebra means to me abstract algebra, the science of...
Jan 21, 2026
M
mrtwhs
replied to the thread
Permutation and combination when letters are repeated
.
First task is to line up M,A,A,A,A,S,T. As noted earlier this can be done in \dfrac{7!}{4!} ways. Now you can insert the 2H's and 2R's...
Jan 21, 2026
F
fresh_42
reacted to
blamocur's post
in the thread
How Important Is Algebra for Getting a University Diploma?
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Like
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I've posted my disclaimer earlier :) Google AI (A but not much of I:) claims that "Algebra is branch of mathematics that uses symbols...
Jan 21, 2026
F
fresh_42
replied to the thread
Induction theorem
.
To complete the discussion about induction proofs, @Maths Pro, there can also be inductions where the induction step isn't +1 but any...
Jan 21, 2026
F
fresh_42
replied to the thread
Induction theorem
.
Yes, I saw that I confused P(n) with n at the induction base, but the edit window has already expired, and I didn't want to confuse the...
Jan 21, 2026
Dr.Peterson
replied to the thread
Induction theorem
.
I don't think you quite meant what you wrote. The statement being proved is P(n): n! is divisible by 7. This is only true for n>=7...
Jan 21, 2026
blamocur
replied to the thread
How Important Is Algebra for Getting a University Diploma?
.
I've posted my disclaimer earlier :) Google AI (A but not much of I:) claims that "Algebra is branch of mathematics that uses symbols...
Jan 21, 2026
M
Maths Pro
reacted to
mrtwhs's post
in the thread
Induction theorem
with
Like
.
I think I understand what you are asking. Consider attempting to prove this by induction: If P(n)=1+2+3+\cdots+n then...
Jan 21, 2026
M
Maths Pro
reacted to
fresh_42's post
in the thread
Induction theorem
with
Like
.
Yes. The idea is: Prove P(1), P(2), ... We can't do that for all numbers, so let's pretend we have done it until P(n). If we can now use...
Jan 21, 2026
F
fresh_42
replied to the thread
How Important Is Algebra for Getting a University Diploma?
.
I am the wrong person to defend the usage of the term algebra in English. Algebra means to me abstract algebra, the science of...
Jan 21, 2026
F
fresh_42
replied to the thread
Induction theorem
.
Yes. The idea is: Prove P(1), P(2), ... We can't do that for all numbers, so let's pretend we have done it until P(n). If we can now use...
Jan 21, 2026
blamocur
replied to the thread
How Important Is Algebra for Getting a University Diploma?
.
Agree But Pythagoras theorem is not all the geometry. Moreover, most of calculus (which some would consider basic skills) relies on...
Jan 21, 2026
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