# Notation for DEs in Hilbert spaces

Look guys, I appreciate and understand
that Hilbert are self-dual,
but if you use *two different notations*
for differentiation in a single equation
when you could've used just one -- you got to really mean it.

Look at this:

Wherefore do you write so many symbols
if could've written less and thus avoided being a liar?
Take for a Hilbert space in discussion,
the left hand site is the derivative -- a row-vector ,
and the RHS is a column -- same derivative *encoded* as a vector.

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