Two-word distance Every concept in LexiconAtlas reduces to 4 foundations (Space, Time, Energy, Pattern) through a prerequisite graph. How far apart are any two? First concept ↔ Second concept Connect Start typing a concept name, then pick from the dropdown. Music ↔ Mathematical Structure 4 steps apart. They meet at Pattern (level 0), and share 7 ancestors in total. L7L6L5L4L3L2L1L0MusicQuantityOrganismPerceptionMatterWaveSpaceChangeActionLifeCellSoundFormPatternMathematical Str…OperationStructureTimeEnergy Music and its chain · Mathematical Structure and its chain · shared ancestors · foundations ← Try another pair Share this pair X Reddit Bluesky LinkedIn Copy link Spot a wrong path? The atlas is provisional — levels and prerequisite links are one curator's current mapping. If this pair's shared ancestors look off, send a quick note. Suggest a correction