They also embraced Russell's logical atomism, Ernst Mach's phenomenalism—whereby the mind knows only actual or potential sensory experience, which is the content of all sciences, whether physics or psychology—and Percy Bridgman's operationalism.
他们也接受了罗素的逻辑原子论、恩斯特·马赫的现象学（心里知道只有实际的或潜在的感官体验，这是一切科学的内容，无论是物理或心理）和珀西·布里奇曼的操作主义。