Processing math: 100%
Sequence begin
Function
context
X
… set
definiendum
f
i
r
s
t
:
S
e
q
u
e
n
c
e
(
X
)
→
X
definiendum
f
i
r
s
t
(
S
)
:=
π
1
(
S
)
Discussion
Parents
Subset of
Surjective function
Context
Sequence length
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Improvements of the human condition
Graphxioms