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u perspek - Filozofski fakultet u Splitu

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Provjera<br />

Izbor<br />

σ : hψ?i ϕ<br />

σ : ψ ∧ ϕ<br />

σ : ¬hψ?i ϕ<br />

σ : ¬ψ | σ : ¬ϕ<br />

σ : hχ ∪ ρi ϕ<br />

σ : hχi ϕ | σ : hρi ϕ<br />

σ : ¬hχ ∪ ρi ϕ<br />

σ : ¬hχi ϕ | σ : ¬hρi ϕ<br />

c. Pravila prijelaza za atomarne programe:<br />

Dodavanje novog stanja i veze<br />

σ : hAi ϕ<br />

σ hAi n : ϕ<br />

Ubrajanje prethodnog prijelaza (s hAi već u stablu)<br />

d. Pravila iteracije:<br />

σ : ¬hAi ϕ<br />

σ hAi n : ¬ϕ<br />

σ : hρ ∗ i ϕ<br />

σ : ϕ | σ : hρihρ ∗ i ϕ<br />

σ : ¬hρ ∗ i ϕ<br />

σ : ¬ϕ, σ : ¬hρihρ ∗ i ϕ<br />

Primjer 3.6 Ispitajmo, misleći na primjer s automatskim usisivačem,<br />

valjnost tvrdnje ’¬hD; Ui p_d’<br />

1. s1 : hD; Ui p_d (negacija propozicije)<br />

2. s1 : hDihUi p_d (niz)<br />

3. s1 hDi s2 : hUi p_d (dodavanje)<br />

4. s2 hDi s3 : p_d (dodavanje)<br />

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