BTW the way to make the replacement is by using the "/may_grow" option of 
minimize:

MM> prove dirkentg
MM-PA> min ifbieq12d /may_grow
Bytes refer to compressed proof size, steps to uncompressed length.
Proof of "dirkeritg" remained at 23729 steps using "ifbieq12d".
MM-PA> save new_proof /compressed
MM-PA> exit

Norm

On Saturday, December 21, 2019 at 4:59:31 PM UTC-5, Alexander van der 
Vekens wrote:
>
> Hi Glauco,
> no, I did not replace ifeq123d by ifbieq12d in any proof. Since the 
> theorems are not identical (they use different class variables), this is 
> not possible by a simple find&replace. But there is no urgency to replace 
> ifeq123d by ifbieq12d although ifeq123d is discouraged -  the proofs using 
> ifeq123d are still valid. I marked feq123d as "discouraged" so that it 
> will/should not be used in additional proofs.
>
> Alexander
>
>
> On Saturday, December 21, 2019 at 10:42:41 PM UTC+1, Glauco wrote:
>>
>> Hi Alexander,
>>
>> I didn't move ~ ifeq123d (because it is already available as ~ ifbieq12d 
>>> , so I marked ~ ifeq123d as "discouraged") 
>>>
>>
>> did you also replace all the references from ifeq123d to ifbieq12d (so 
>> that my theorems don't refer to a discouraged label, now?)
>>
>> Thanks
>> Glauco
>>
>>
>>  
>>
>

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