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At: st app monotone


a1,a2,b1,b2:Collection(SimpleType). a1 a2 b1 b2 st_app(a1;b1) st_app(a2;b2)

By:
Unfold `col_le` 0
THEN
RWW "member_st_app" 0


Generated subgoal:

11. a1: Collection(SimpleType)
2. a2: Collection(SimpleType)
3. b1: Collection(SimpleType)
4. b2: Collection(SimpleType)
5. x:SimpleType. x a1 x a2
6. x:SimpleType. x b1 x b2
7. x: SimpleType
8. a:SimpleType. a b1 & ax a1
a:SimpleType. a b2 & ax a2

About:
impliesandallexists

(2steps) PrintForm Definitions mb automata 2 Sections GenAutomata Doc