This is an old revision of the document!
Sequence begin
Function
$ X $ … set
$ \mathrm{first}: \mathrm{Sequence}(X)\to X $
$ \mathrm{first}(S):= \pi_1(S) $
Discussion
Parents
Subset of
Surjective function
Requirements
Sequence length
Log In
Article
Read
Search
Log In
Log In
Improvements of the human condition
Graphxioms