(subclass OrdinaryDifferentialEquation DifferentialEquation) | engineering.kif 188-188 | OrdinaryDifferentialEquation は DifferentialEquation の subclass では %n |
(subclass BesselsEquation OrdinaryDifferentialEquation) | engineering.kif 194-194 | BesselsEquation は OrdinaryDifferentialEquation の subclass では %n |
(subclass VanderpolsEquation OrdinaryDifferentialEquation) | engineering.kif 199-199 | VanderpolsEquation は OrdinaryDifferentialEquation の subclass では %n |