Logiweb aspects of lemma plusAssociativity(R)XX in pyk

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The predefined "pyk" aspect

define pyk of lemma plusAssociativity(R)XX as text unicode start of text unicode small l unicode small e unicode small m unicode small m unicode small a unicode space unicode small p unicode small l unicode small u unicode small s unicode capital a unicode small s unicode small s unicode small o unicode small c unicode small i unicode small a unicode small t unicode small i unicode small v unicode small i unicode small t unicode small y unicode left parenthesis unicode capital r unicode right parenthesis unicode capital x unicode capital x unicode end of text end unicode text end text end define

The predefined "tex" aspect

define tex of lemma plusAssociativity(R)XX as text unicode start of text unicode capital p unicode small l unicode small u unicode small s unicode capital a unicode small s unicode small s unicode small o unicode small c unicode small i unicode small a unicode small t unicode small i unicode small v unicode small i unicode small t unicode small y unicode left parenthesis unicode capital r unicode right parenthesis unicode capital x unicode capital x unicode end of text end unicode text end text end define

The user defined "the statement aspect" aspect

define statement of lemma plusAssociativity(R)XX as system Q infer all metavar var fx end metavar indeed all metavar var fy end metavar indeed all metavar var fz end metavar indeed R( metavar var fx end metavar +f metavar var fy end metavar +f metavar var fz end metavar ) == R( metavar var fx end metavar +f metavar var fy end metavar +f metavar var fz end metavar ) end define

The user defined "the proof aspect" aspect

define proof of lemma plusAssociativity(R)XX as rule tactic end define