(45steps) PrintForm Definitions formula equality Sections ClassicalProps(jlc) Doc

At: discrete Formula with rank 1 3 1 1 1 1 1

1. x: Formula
2. x2: Formula
3. x3: Formula
4. y@0: Formula
5. x5: Formula
6. x6: Formula
7. x2 = x5
8. x3 = x6

Dec(x2x3 = x5x6)

By:
TrueCase
THEN
FormulaEquality 0
THEN
Trivial


Generated subgoals:

None

About:
decidableequal

(45steps) PrintForm Definitions formula equality Sections ClassicalProps(jlc) Doc