https://www.google.com/search?safe=active&client=safari&sca_esv=31c7c02de220de3d&hl=en&sxsrf=ADLYWIJfjoas4vijx1IZKp-aFK4m-SUZPQ:1731740503258&q=definable&si=ACC90nytWkp8tIhRuqKAL6XWXX-NtNjJOf038Ujt_IrOtK2aFT7xRZy1IfrvhifeNMD415U7-BZFKBKmVx7cQG3P8RVWkKNX411_Qw6-cpSl2IDzt13WmrE%3D&expnd=1&sa=X&ved=2ahUKEwiFwKiMpOCJAxX5ZvUHHW0lIRsQyecJegQIJBAO&biw=375&bih=624&dpr=3#ebo=0