pith. machine review for the scientific record. sign in
theorem

one_lt_phi

proved
show as:
view math explainer →
module
IndisputableMonolith.PhiSupport
domain
PhiSupport
line
39 · github
papers citing
none yet

open explainer

Read the cached plain-language explainer.

open lean source

IndisputableMonolith.PhiSupport on GitHub at line 39.

browse module

All declarations in this module, on Recognition.

explainer page

A cached Ask Recognition explainer exists for this declaration.

open explainer

depends on

used by

formal source

  36/-- φ > 1: The golden ratio is strictly greater than 1.
  37
  38    This is already proven in Constants.lean -/
  39theorem one_lt_phi : (1 : ℝ) < phi := Constants.one_lt_phi
  40
  41end PhiSupport
  42end IndisputableMonolith