Function lemma_serializer_congruent_intro 

pub broadcast proof fn lemma_serializer_congruent_intro<A, B>(a: A, b: B)
where
    A: Consistency + SpecByteLen<T = A::Val> + SpecSerializer<SVal = A::Val>,
    B: Consistency<Val = A::Val> + SpecByteLen<T = A::Val> + SpecSerializer<SVal = A::Val>,

requires

prepare_congruent(a, b),

forall |v: A::Val| #[trigger] a.spec_serialize(v) == b.spec_serialize(v),

ensures

#[trigger] serializer_congruent(a, b),