PrintForm Definitions decidability Sections ClassicalProps(jlc) Doc

At: zero rank valid or falsifiable 1 1 1 1 1 1 1
1. L: Sequent List
2. eqS: {Sequent=}
3. eqF: {Formula=}
4. sL.((s) = 0)
5. sL.disjoint(eqF;s.H;s.C)
6. x: Sequent
7. x(eqS) L
8. disjoint(eqF;x.H;x.C)

(v.if v(eqF) x.H3 ;v(eqF) x.C3 else 3 fi) Assignment
By:
Unfold `Assignment` 0
THEN
Ext
Generated subgoal:

19. x1: Var
(v.if v(eqF) x.H3 ;v(eqF) x.C3 else 3 fi)(x1)

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