re currently in the #$BaseKB.</p>
<p style="border-style: initial; border-color: initial;">Microtheories are covered in more detail here, as well as in the constant vocabulary, under #$Microtheory. Where does the microtheory information on assertions come from? That depends on the origin of the assertion. If an assertion is added to the KB by the inference engine as the result of firing a rule, the inference engine code decides what microtheory the conclusion should be added in and records it at add time. I