Step
*
of Lemma
member-eclass-simple-comb-2-iff
∀[Info,A,B,C:Type]. ∀[es:EO+(Info)]. ∀[e:E]. ∀[F:bag(A) ⟶ bag(B) ⟶ bag(C)]. ∀[X:EClass(A)]. ∀[Y:EClass(B)].
(uiff(↑e ∈b F|X, Y|;(↑e ∈b X) ∧ (↑e ∈b Y) ∧ (¬↑bag-null(F {X@e} {Y@e})))) supposing
(single-valued-classrel(es;Y;B) and
single-valued-classrel(es;X;A) and
lifting2-like(A;B;F))
BY
{ ((UnivCD THENA Auto) THEN RepeatFor 2 ((D 0 THENA Auto))) }
1
1. Info : Type
2. A : Type
3. B : Type
4. C : Type
5. es : EO+(Info)
6. e : E
7. F : bag(A) ⟶ bag(B) ⟶ bag(C)
8. X : EClass(A)
9. Y : EClass(B)
10. lifting2-like(A;B;F)
11. single-valued-classrel(es;X;A)
12. single-valued-classrel(es;Y;B)
13. ↑e ∈b F|X, Y|
⊢ (↑e ∈b X) ∧ (↑e ∈b Y) ∧ (¬↑bag-null(F {X@e} {Y@e}))
2
1. Info : Type
2. A : Type
3. B : Type
4. C : Type
5. es : EO+(Info)
6. e : E
7. F : bag(A) ⟶ bag(B) ⟶ bag(C)
8. X : EClass(A)
9. Y : EClass(B)
10. lifting2-like(A;B;F)
11. single-valued-classrel(es;X;A)
12. single-valued-classrel(es;Y;B)
13. (↑e ∈b X) ∧ (↑e ∈b Y) ∧ (¬↑bag-null(F {X@e} {Y@e}))
⊢ ↑e ∈b F|X, Y|
Latex:
Latex:
\mforall{}[Info,A,B,C:Type]. \mforall{}[es:EO+(Info)]. \mforall{}[e:E]. \mforall{}[F:bag(A) {}\mrightarrow{} bag(B) {}\mrightarrow{} bag(C)]. \mforall{}[X:EClass(A)].
\mforall{}[Y:EClass(B)].
(uiff(\muparrow{}e \mmember{}\msubb{} F|X, Y|;(\muparrow{}e \mmember{}\msubb{} X) \mwedge{} (\muparrow{}e \mmember{}\msubb{} Y) \mwedge{} (\mneg{}\muparrow{}bag-null(F \{X@e\} \{Y@e\})))) supposing
(single-valued-classrel(es;Y;B) and
single-valued-classrel(es;X;A) and
lifting2-like(A;B;F))
By
Latex:
((UnivCD THENA Auto) THEN RepeatFor 2 ((D 0 THENA Auto)))
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