DISJ1 : (thm -> term -> thm)

SYNOPSIS
Introduces a right disjunct into the conclusion of a theorem.

DESCRIBE
       A |- t1
   ---------------  DISJ1 (A |- t1) "t2"
    A |- t1 \/ t2

FAILURE
Fails unless the term argument is boolean.

EXAMPLE
#DISJ1 TRUTH "F";;
|- T \/ F

COMMENTS
The system shows the type of DISJ1 as (thm -> conv).

SEEALSO  DISJ1_TAC,   DISJ2,   DISJ2_TAC,   DISJ_CASES

HOL  Kananaskis 0