Proof of proveit.numbers.numerals.decimals.add_5_9 theorem

import proveit
theory = proveit.Theory() # the theorem's theory

%proving add_5_9

With these allowed/disallowed theorem/theory presumptions (e.g., to avoid circular dependencies), we begin our proof of
add_5_9:
(see dependencies)

add_5_9 may now be readily provable (assuming required theorems are usable).  Simply execute "%qed".