Processing math: 100%
Reversed relation
Set
context
R
∈
Rel
(
X
,
Y
)
definiendum
⟨
x
,
y
⟩
∈
R
⌣
postulate
⟨
y
,
x
⟩
∈
R
Ramifications
Reference
Mizar files:
RELAT_1
Parents
Context
Binary relation
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