"Logic" is used to carry many different, but associated, meanings. Its formal meaning usually refers to the discipline that allows us to examine an argument, and conclude that its structure is such that it can deliver a deduced and reliable conclusion when provided with sound premises.
In everyday usage, we often say "logic" when we are actually referring to Reason. I blame Mr Spock for that... 😐
I think it is often mistaken to refer to Logic or Reason, but only because the two are so intimately associated. That, and it isn't always clear where one ends and the other begins.
It would be more useful to have a word like "Rea-gic", that carries both meanings at the same time...? 🤔
for all those considering to deal with persistence in time, and hence regularly at pains with an 'enduring substance' concept as inherited from the questionable Aristotle-Porphyry (Isagoge) tradition,
John Dupré's 2022 paper [oa at RG], taking some biological species as #IndividualProcess
imop is an excellent & rather short read
as well in that it treats the topic in the context of scientific discussion and practice in biology, and does so not only for an epistemological but as well for a scientific end.
the broader perspective may be found in editors #intro of OUP [oa] book