• 1 · Religion and Magic
• 2 · Nature
• 3 · Human Being, Man in General
• 4 · Society, Civilization, Culture
• 5 · Abstract Ideas and Concepts
• 6 · History
• 7 · Bible
• 8 · Literature
• 9 · Classical Mythology and Ancient History

• Top
• 5 · Abstract Ideas and Concepts
• 52 · Reasoning and Formation of Ideas
• 52B · Reasoning
• 52B4 · Verification

52B41 · Certainty

• 52B41(+4) · Certainty (+ emblematical representation of concept)