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Ciro Santilli
@cirosantilli
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Subtraction
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Body
0
Arithmetic
Updated
2024-12-15
+
Created
1970-01-01
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Definition: "easy" number theory learnt in
primary school
, notably the operations of
addition
,
subtraction
,
multiplication
and
division
.
0
Metric induced by a norm
Updated
2024-12-15
+
Created
1970-01-01
View more
In a
vector space
, a
metric
may be induced from a norm by using
subtraction
:
d
(
x
,
y
)
=
∣
x
−
y
∣
(1)
Total
articles
:
2