truism
self-evident truth / obvious statement / platitude
Noun
pl: truisms
This term describes a statement that is technically correct but provides no new information because it is so obvious. It often carries a slightly dismissive or critical connotation, suggesting that the speaker is stating the obvious or using a cliché to avoid a deeper analysis. In a philosophical or moral context, it refers to a self-evident principle. While it denotes a truth, the emphasis is on the redundancy of the assertion rather than the value of the truth itself.