No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 1075-1075 | InterfaceWindow 是 GUIElement 的 subclass |
No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 1084-1084 | PopupWindow 是 InterfaceWindow 的 subclass |