Related Clues:

• Subsidiary proposition
• 'To ___ deeply is to live afresh': Thoreau
• Feel remorse for
• Helping theorem
• Be sorry for
• First Derby-winning filly
• Feel contrite
• Remorse
• Wish otherwise
• Have second thoughts
• Feel remorse
• Self-reproach
• Proof part, sometimes
• Logical proposition
• Contrite feeling