Related Clues:

• Mathematical truth
• 'An empty set exists,' e.g
• That is that, it goes without saying!
• Widely accepted statement
• Self-evident statement made by a cross on Irish Sea island
• Saw small island following a cross
• Eleven in a room evens out, one's assumed
• Fundamental math assumption
• Saw Chinese leader blocking American order
• Banal self-evident statement
• Building block of math
• General truth of maxim uncovered initially over minutes
• Universal rule
• Saying that goes without saying
• Self-evident observation