"provingground.learning.ExpressionEquationSolver.FixedExpressionProbs" id="provingground.learning.ExpressionEquationSolver.FixedExpressionProbs" class="extype">FixedExpressionProbs</a> to<span name="scala.Predef.StringFormat" class="extype">StringFormat</span>[<a href="" name="provingground.learning.ExpressionEquationSolver.FixedExpressionProbs" id="provingground.learning.ExpressionEquationSolver.FixedExpressionProbs" class="extype">FixedExpressionProbs</a>] performed by method StringFormat in scala.Predef.