Theorems · Theorem · general algebraic systems
Pi.mulSingle_eq_one_iff
∀ {ι : Type u_1} {M : ι → Type u_6} [inst : (i : ι) → One (M i)] [inst_1 : DecidableEq ι] {i : ι} {x : M i},
Pi.mulSingle i x = 1 ↔ x = 1- Defined in
- Mathlib.Algebra.Notation.Pi.Basic
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 17 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- OneDecidableEq
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Pi.mulSinglestatement and proof · cited by 111
- Pi.one_applyproof · cited by 22
- Pi.mulSingle_eq_sameproof · cited by 18
- Pi.mulSingle_oneproof · cited by 4
Cited by2
Results whose statement or proof uses this declaration.
- Pi.mulSingle_ne_one_iffproof · cited by 1
- RestrictedProduct.mulSingle_eq_one_iffproof · cited by 0