the reversal helped. need to add assumptions to avoid capture
the reversal helped. need to add assumptions to avoid capture

when using the unsafe substitution function.
Switching to the safe substitution function is another possibility,
although it may lead to complications.
In the end, because alpha equality is symmetric and transitive, the
it should be possible to remove extra assumptions in a Corrolarry.

aa755/SquiggleEq,aa755/SquiggleEq