CS 3304: Comparative Languages
Semantics
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Some Inference Rules
The Rule of Consequence:
{P} S {Q}, P' => P, Q => Q'
{P'} S {Q'}
For a sequence S1;S2 the inference rule is:
{P1} S1 {P2}, {P2} S2 {P3}
{P1} S1; S2 {P3}