Proof of proveit.numbers.logarithms.log_real_nonneg_from_geq_1 theorem

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

%proving log_real_nonneg_from_geq_1

With these allowed/disallowed theorem/theory presumptions (e.g., to avoid circular dependencies), we begin our proof of
log_real_nonneg_from_geq_1:
(see dependencies)