On 20/09/2020 23:22, Oscar Benjamin wrote:
If we had Wilds in abc then they wouldn't have those kinds of exclusion patterns.
True, but this is analogous to the fact that 'f' is defined as an ordinary symbol in abc, even though you may want to redefine it as a function symbol. Defining things in abc doesn't in any way stop people redefining them - it just provides for the most typical situations - which helps to get people started.
Thanks for the help today - you have just disentangled a number of issues for me!
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