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------------------------------- MODULE Dummy -------------------------------
EXTENDS TLAPS
CONSTANT Elems
ASSUME \E x : x \in Elems
Insert[new \in Elems, set \in SUBSET Elems] ==
set \cup {new}
InsertOp(new, set) ==
set \cup {new}
THEOREM \A x \in Elems, set \in SUBSET Elems:
x \in Insert[x, set]
<1> SUFFICES ASSUME NEW x \in Elems, NEW set \in SUBSET Elems
PROVE x \in Insert[x, set]
OBVIOUS
<1> QED
BY DEF Insert
THEOREM \A x \in Elems, set \in SUBSET Elems:
x \in InsertOp(x, set)
<1>a SUFFICES ASSUME NEW x \in Elems, NEW set \in SUBSET Elems
PROVE x \in InsertOp(x, set)
OBVIOUS
<1>b QED
BY DEF InsertOp
=============================================================================
\* Modification History
\* Last modified Thu Jun 20 12:30:32 AST 2019 by marko
\* Created Thu Jun 13 13:34:49 AST 2019 by marko
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