!--
StepCondition
!==
LambdaExpression
&
FOLFormula
LambdaExpression
*
OccConnector
+
Ant
FiniteContext
OccConnector
SequentIndex
Suc
++
LList
FiniteContext
Sequent
++:
Sequent
+:
Sequent
-
Ant
OccConnector
SequentIndex
Suc
---
StepBlock
-->
FOLFormula
LambdaExpression
--?
StepBlock
->
expr
Ty
:+
Sequent
:++
Sequent
::
LambdaPosition
FOLPosition
HOLPosition
LList
<->
FOLFormula
LambdaExpression
===
LambdaExpression
^
LambdaExpression
|
FOLFormula
LambdaExpression
|>
Reduction