43theorem planetStratumCount : Fintype.card PlanetStratum = 15 := by
proof body
Term-mode proof.
44 simp only [PlanetStratum, Fintype.card_sum, atmoCount, earthCount, oceanCount] 45 46/-- The three injections are not surjective: each covers only 5 of 15. -/
used by (4)
From the project-wide theorem graph. These declarations reference this one in their body.