avoid literal pow

MasonProtter · MasonProtter · commit b6484ddd0d3d · 2020-11-19T12:01:17.000-07:00
diff --git a/src/methods.jl b/src/methods.jl
@@ -136,4 +136,4 @@ function cond(_if::Symbolic{Bool}, _then, _else)
 end
 
 # Specially handle inv
-Base.inv(x::Symbolic) = x ^ -1
+Base.inv(x::Symbolic) = Base.:^(x, -1)
