Meta-ethics About the meaning of the ethics concepts and the justification of moral judgment -Category:value,good evil,ought, right fact is .The justification of meta-ethics: is→oughtMeta-ethics ◼ About the meaning of the ethics concepts and the justification of moral judgment ◼ Category: value, good & evil, ought, right；fact & is ◼ The justification of meta-ethics: is→ought