• 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
• 51 · Generalities
• 51L · Types of Motion
• 51LL · Types of Motion (opposing concepts)
• 51LL4 · Regression, Backward Movement

51LL42 · Motion From, Repulsive Force, Repulsion, Push