Theorems · Theorem · general algebraic systems
Pi.mulSupport_mulSingle
∀ {ι : Type u_1} {M : Type u_3} [inst : DecidableEq ι] [inst_1 : One M] {i : ι} {a : M} [inst_2 : DecidableEq M],
Function.mulSupport (Pi.mulSingle i a) = if a = 1 then ∅ else {i}- Defined in
- Mathlib.Algebra.Notation.Support
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 58 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEqOneDecidableEq
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement · cited by 53,352
- Function.mulSupportstatement and proof · cited by 240
- Pi.mulSinglestatement and proof · cited by 111
- Function.mulSupport_oneproof · cited by 5
- Pi.mulSingle_oneproof · cited by 4
- Pi.mulSupport_mulSingle_of_neproof · cited by 2
Cited by1
Results whose statement or proof uses this declaration.
- Pi.subsingleton_mulSupport_mulSingleproof · cited by 0