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| \DOC BETAS_CONV | |
| \TYPE {BETAS_CONV : conv} | |
| \SYNOPSIS | |
| Beta conversion over multiple arguments. | |
| \DESCRIBE | |
| Given a term {t} of the form {`(\x1 ... xn. t[x1,...,xn]) s1 ... sn`}, the call | |
| {BETAS_CONV t} returns | |
| { | |
| |- (\x1 ... xn. t[x1,...,xn]) s1 ... sn = t[s1,...,sn] | |
| } | |
| \FAILURE | |
| Fails if the term is not of the form shown, for some {n}. | |
| \EXAMPLE | |
| { | |
| # BETAS_CONV `(\x y. x + y) 1 2`;; | |
| val it : thm = |- (\x y. x + y) 1 2 = 1 + 2 | |
| } | |
| \SEEALSO | |
| BETA_CONV, RIGHT_BETAS. | |
| \ENDDOC | |