Systems of logic that deviate from first-order logic are logically possible
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
1 source for · 0 against
AS REPORTEDno primary record reached; this is what the reporting says
The existence of alternative logical systems, such as higher-order, modal, or intuitionistic logics, is a standard and well-established fact in mathematical logic and philosophy.