What is the meaning of "formal" in math-speak?
119002
What does "formal" mean?
1543
What is meant by "sth"?
140883
If $R$ is a local ring, is $R[[x]]$ (the ring of formal power series) also a local ring?
122069
What's the name for a part of speech which is not quite rhetorical, but not expected to be answered directly, either?
145759
formal proof from calulus
78708
What do mathematicians mean when they say "form"?
69507
What is the meaning of infinitesimal?
139885
It is correct and formal to include "of" when writing dates?
145692
How to pronounce $\mathcal{E}$?
62895
How to interpret "let" in mathematics?
98890
Difference between final and effectively final
62358
Implications and Ordinary language
139288
Formal proof that $e^x$ is not algebraic
88738
Is "mathematics" singular or plural?
117978
differentiation using formal definition i.e. $(x+h)$
136943
A problem with a proof about formal series in Lang's Algebra
108028
Is there a bijection between the reals and naturals?