Step
*
of Lemma
names-hom-subtype
∀[I1,J1,I2,J2:fset(ℕ)]. (I1 ⟶ J1 ⊆r I2 ⟶ J2) supposing (J2 ⊆ J1 and I1 ⊆ I2)
BY
{ (Auto THEN Unfold `names-hom` 0 THEN Auto) }
Latex:
Latex:
\mforall{}[I1,J1,I2,J2:fset(\mBbbN{})]. (I1 {}\mrightarrow{} J1 \msubseteq{}r I2 {}\mrightarrow{} J2) supposing (J2 \msubseteq{} J1 and I1 \msubseteq{} I2)
By
Latex:
(Auto THEN Unfold `names-hom` 0 THEN Auto)
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