A witness may refresh his memory:
Evidence Act: Section 159. Refreshing memory: A witness may, while under examination, refresh his memory by referring to any writing made by himself at the time of the transaction concerning which he is questioned, or so soon afterwards that the Court considers it likely that the transaction was at that time fresh in his memory. The witness may also refer to any such writing made by any other person, and read by the witness within the time aforesaid, if when he read it he knew it to be correct. When witness may use copy of document to refresh memory-- Whenever a witness may refresh his memory by reference to any document, he may, with the permission of the Court, refer to a copy of such document: Provided the Court be satisfied that there is sufficient reason for the non-production of the original. An expert may refresh his memory by reference to professional treatises.
Statements: No pen is a pencil.
All pencil are book.
Conclusions: I. Some bo...
Statements:
Some planet are constellation.
Only constellation are universe.
15% constellation are star.
Conclusions:
...
Statements:
No mountain is plane.
No river is mountain.
Conclusions:
I. No plane is river.
II. All river ar...
Statements:
No cabin is a room.
All rooms are houses.
No house is a flat.
Some flats are apartments.
Conc...
Statements:
No Addition is a Multiplication.
Some Multiplication are Subtraction.
All Subtraction are Division.
Only few Div...
Statement:
All badmintons are rackets.
Some rackets are rubbers.
No rubber is a string.
Conclusion:
I. Some strin...
Statements: All gates are lights.
No street is a gate.
All lights are houses.
Conclusions I. All gates are houses.
II. So...
Statements :
Few slate is chalk
Mostly chalk is board
Conclusions :
I. Some slate is not board
II. Some board can be slate
Statements:
Only a few Balloon are String.
All Balloon are Colour.
Only a few Strings are Scales.
All Scales are ...
Statements: Some printers are monitors.
All monitors are modems.
Some modems are keyboards.
Conclusions: I. Some keyboards are not...