Backward construction logic

Assignment rule usage

Correct precondition

Sequential composition

Assertion presence

Loop Invariant defined

Loop Variant defined

Initialization proof

Preservation proof

Termination proof

Postcondition proof

Native assertions

Runtime Invariant Check

Precondition defined

Postcondition defined

Class Invariant

No Defensive Programming

Native Assertions

Exception identification

Invariant restoration

Validation after restoration

Organized Panic

Class Invariant check

Native Assertions

Hoare Triples {P}C{Q}

Precondition P defined

Postcondition Q defined

Loop Invariant I

Loop Variant v

Total Correctness proof