def definition def or abbrev

`smulPos`

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

formal statement (Lean)

 128def smulPos (q : ℚ) (I : Interval) (hq : 0 < q) : Interval where
 129  lo := q * I.lo

Definition body.

 130  hi := q * I.hi
 131  valid := mul_le_mul_of_nonneg_left I.valid (le_of_lt hq)
 132

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

smulPos_contains_smul in IndisputableMonolith.Numerics.Interval.Basic decl_use
arctanTwoInterval in IndisputableMonolith.Numerics.Interval.Trig decl_use

Lean names referenced from this declaration's body.