Step * 1 of Lemma ss-sep-symmetry


1. ss SeparationSpace
2. Point(ss)
3. Point(ss)
4. y
5. x
⊢ x
BY
(InstLemma `ss-sep-irrefl` [⌜ss⌝;⌜x⌝]⋅ THEN Auto) }


Latex:


Latex:

1.  ss  :  SeparationSpace
2.  x  :  Point(ss)
3.  y  :  Point(ss)
4.  x  \#  y
5.  x  \#  x
\mvdash{}  y  \#  x


By


Latex:
(InstLemma  `ss-sep-irrefl`  [\mkleeneopen{}ss\mkleeneclose{};\mkleeneopen{}x\mkleeneclose{}]\mcdot{}  THEN  Auto)




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