def definition def or abbrev

`packingEfficiencyApprox`

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

formal statement (Lean)

  60def packingEfficiencyApprox : Structure → ℝ
  61| .BCC => 0.68
  62| .FCC => 0.74
  63| .HCP => 0.74
  64
  65/-- BCC coordination equals 8-tick. -/

used by (4)

From the project-wide theorem graph. These declarations reference this one in their body.

bcc_packing_lt_fcc in IndisputableMonolith.Chemistry.CrystalStructure decl_use
fcc_hcp_same_packing in IndisputableMonolith.Chemistry.CrystalStructure decl_use
stabilityScore in IndisputableMonolith.Chemistry.CrystalStructure decl_use
stability_tradeoff in IndisputableMonolith.Chemistry.CrystalStructure decl_use

depends on (4)

Lean names referenced from this declaration's body.

coordination in IndisputableMonolith.Chemistry.CrystalStructure decl_use
Structure in IndisputableMonolith.Chemistry.CrystalStructure decl_use
tick in IndisputableMonolith.Constants decl_use
tick in IndisputableMonolith.Constants.RSNativeUnits decl_use