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Step * of Lemma int_formula_prop_and_lemma

∀y,x,f:Top.  (int_formula_prop(f;x "∧" y) ~ int_formula_prop(f;x) ∧ int_formula_prop(f;y))
BY
{ (UnivCD THENA Auto) }

1
1. y : Top@i
2. x : Top@i
3. f : Top@i
⊢ int_formula_prop(f;x "∧" y) ~ int_formula_prop(f;x) ∧ int_formula_prop(f;y)

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Latex:

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Latex:
\mforall{}y,x,f:Top.    (int\_formula\_prop(f;x  "\mwedge{}"  y)  \msim{}  int\_formula\_prop(f;x)  \mwedge{}  int\_formula\_prop(f;y))


By

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Latex:
(UnivCD  THENA  Auto)

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