def definition def or abbrev

`posMul`

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

formal statement (Lean)

 735def posMul (x y : PosReal) : PosReal :=

Definition body.

 736  ⟨x.1 * y.1, mul_pos x.2 y.2⟩
 737
 738/-- Inversion on positive reals. -/

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

comp in IndisputableMonolith.Algebra.CostAlgebra decl_use
continuous_bijective_preserves_J_eq_id_or_inv in IndisputableMonolith.Algebra.CostAlgebra decl_use
eq_id_of_map_two_eq_two in IndisputableMonolith.Algebra.CostAlgebra decl_use
JAut in IndisputableMonolith.Algebra.CostAlgebra decl_use
multiplicative in IndisputableMonolith.Algebra.CostAlgebra decl_use
reciprocal in IndisputableMonolith.Algebra.CostAlgebra decl_use
two_mul_inv_eq_two_mul_iff in IndisputableMonolith.Algebra.CostAlgebra decl_use
two_mul_inv_ne_inv_two_mul in IndisputableMonolith.Algebra.CostAlgebra decl_use

Lean names referenced from this declaration's body.