has material basis at all times
Alan Ruttenberg: This is a binary version of a ternary time-indexed, instance-level, relation. The BFO reading of the binary relation 'has material basis at all times@en' is: forall(t) exists_at(x,t) -> exists_at(y,t) and 'has material basis@en(x,y,t)'.
has-material-basis_at
hasMaterialBasisAt
(forall (x y t) (if (hasMaterialBasisAt x y t) (and (Disposition x) (MaterialEntity y) (exists (z) (and (bearerOfAt z x t) (continuantPartOfAt y z t) (exists (w) (and (Disposition w) (if (hasDisposition z w) (continuantPartOfAt y z t))))))))) // axiom label in BFO2 CLIF: [071-002]
b has_material_basis c at t means: b is a disposition & c is a material entity & there is some d bearer_of b at t& c continuant_part_of d at t& d has_disposition b at t because c continuant_part_of d at t. (axiom label in BFO2 Reference: [071-002])
the material basis of John’s disposition to cough is the viral infection in John’s upper respiratory tract
the material basis of the disposition to wear unevenly of John’s tires is the worn suspension of his car.
disposition
material entity