`BookProof.DirectSumEdge.mem_supportFinset` {x : dsCore D} {i : ι} : i ∈ supportFinset x ↔ ((x : lp G 2) : ∀ i, G i) i ≠ 0

Initializing...

`BookProof.DirectSumEdge.mem_supportFinset` {x : dsCore D} {i : ι} : i ∈ supportFinset x ↔ ((x : lp G 2) : ∀ i, G i) i ≠ 0 · Prove2Me