theorem
LO.System.Disjunctive.disjunctive
{F : Type u_1}
[LO.LogicalConnective F]
{S : Type u_2}
[LO.System F S]
{𝓢 : S}
[self : LO.System.Disjunctive 𝓢]
{p : F}
{q : F}
:
theorem
LO.System.iff_disjunctive
{F : Type u_1}
[LO.LogicalConnective F]
{S : Type u_2}
[LO.System F S]
{𝓢 : S}
:
theorem
LO.System.iff_complete_disjunctive
{F : Type u_1}
[LO.LogicalConnective F]
{S : Type u_2}
[LO.System F S]
[DecidableEq F]
{𝓢 : S}
[LO.System.Classical 𝓢]
: