[TI] Compact: Finish computability, start complexity

semester3/ti-compact/parts/04_computability.tex

@@ -152,3 +152,6 @@ For the third condition, intuitively, we only need to check if in the definition
 or the condition can be restated such that only $L(M)$ is described by it.
 
 For a more formal proof of that condition, simply show that the implication holds
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+As of HS2025, chapters 5.5 and 5.6 are not relevant for the Endterm or Session exam, so they are omitted here