The phrase "an inner logic" is correct and usable in written English.
It can be used to describe a reasoning or rationale that is inherent or intrinsic to a particular system, idea, or argument.
Example: "The novel's plot unfolds with an inner logic that keeps the reader engaged and intrigued throughout."
Alternatives: "a fundamental reasoning" or "an inherent rationale."
Soon they were turning jazz on its head, though in retrospect their freely expressive music heeded an inner logic.
It is not news that so-called senseless acts often unfold along the coordinates of an inner logic.
But comic actors have to follow an inner logic and emotional truth while at the same time being fantastically skillful technically".
It is produced by class conflict; it is faithful to an inner logic; it points toward an end, which is the establishment of the classless society.
His solos, with their analytical yet spontaneous musical imagination — with their rhythmic jolts and their surprising, disjunctive succession of phrases — have an inner logic that's entirely Shorter's own.
Still, the tactic of purposely losing has an inner logic that has been used in other sports like soccer and baseball.
And yet it has a strong inner logic that holds the parts together, and that works through a kind of dialectic or series of oppositions.
More generally, the religious attitudes bound up with theistic worship (whether monotheistic or polytheistic) appear to have a certain inner logic, tending to lead the devotee to magnify the object of her devotion by denying limitations and adding perfections.
"His playing has a deep inner logic, based on subtleties of reaction, subtleties of timing and color that are, I think, quite new to jazz.
Football is shadowed by the fear of concussions and other injuries in a game whose inner logic demands violence, and by such incidents as a bullying scandal, criminal charges, and players paying a "bounty" to teammates who injure men on other teams.
For what does an ontological argument do but peer into the inner logic of such an exemplar essence and try to capture the logical consequence that it must exist?
