{1 | {1 | 1, 2}}

{1 | {1 | 1, 2}} can be discovered in Concepts, categorized under Mathematics, Set Theory, Logic, Structure. A nested set expression representing a hierarchical collection.

It has been discovered by 1 board and crafted 4 times, first appearing 26 hours ago. {1 | {1 | 1, 2}} can be created from 2 recipes, and goes on to appear as an ingredient in 11 others.

{1 | {1 | 1, 2}} was first discovered by Hello5184's board 26 hours ago. They also hold the lowest-complexity recipe, at 135.

Related concepts worth exploring include Infinity, Delta, Paradox, Binary System, Fractal, Fence, and 6 more.