(a)
(b)
(c)
Figure 4:
The
𝐴
=
𝑧
⟨
𝑥
⟩
+
𝑧
⟨
𝑦
⟩
∣
𝑧
(
𝑎
)
⋅
𝑎
⟨
𝑏
⟩
∣
𝑥
(
𝑐
)
∣
𝑦
(
𝑑
)
.
(
7
)
-calculus mobility. (a)
A
process, (b)
𝜋
process, and (c)
𝑃
≡
𝑄
process.