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Theorem setsplusg 19464
Description: The other components of an extensible structure remain unchanged if the +g component is set/substituted. (Contributed by Stefan O'Rear, 26-Aug-2015.) Generalisation of the former oppglem and mgplem. (Revised by AV, 18-Oct-2024.)
Hypotheses
Ref Expression
setsplusg.o 𝑂 = (𝑅 sSet ⟨(+g‘ndx), 𝑆⟩)
setsplusg.e 𝐸 = Slot (𝐸‘ndx)
setsplusg.i (𝐸‘ndx) ≠ (+g‘ndx)
Assertion
Ref Expression
setsplusg (𝐸𝑅) = (𝐸𝑂)

Proof of Theorem setsplusg
StepHypRef Expression
1 setsplusg.e . . 3 𝐸 = Slot (𝐸‘ndx)
2 setsplusg.i . . 3 (𝐸‘ndx) ≠ (+g‘ndx)
31, 2setsnid 17290 . 2 (𝐸𝑅) = (𝐸‘(𝑅 sSet ⟨(+g‘ndx), 𝑆⟩))
4 setsplusg.o . . 3 𝑂 = (𝑅 sSet ⟨(+g‘ndx), 𝑆⟩)
54fveq2i 6888 . 2 (𝐸𝑂) = (𝐸‘(𝑅 sSet ⟨(+g‘ndx), 𝑆⟩))
63, 5eqtr4i 2791 1 (𝐸𝑅) = (𝐸𝑂)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1570  wne 2960  cop 4597  cfv 6540  (class class class)co 7419   sSet csts 17245  Slot cslot 17263  ndxcnx 17275  +gcplusg 17332
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-10 2179  ax-11 2195  ax-12 2216  ax-ext 2737  ax-sep 5259  ax-nul 5271  ax-pr 5406  ax-un 7742
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2569  df-eu 2599  df-clab 2744  df-cleq 2757  df-clel 2840  df-nfc 2914  df-ne 2961  df-ral 3082  df-rex 3092  df-rab 3419  df-v 3459  df-sbc 3747  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4287  df-if 4490  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4875  df-br 5112  df-opab 5176  df-mpt 5195  df-id 5558  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-res 5675  df-iota 6496  df-fun 6542  df-fv 6548  df-ov 7422  df-oprab 7423  df-mpo 7424  df-sets 17246  df-slot 17264
This theorem is used by:  oppgbas  19465  oppgtset  19466  oppgle  19481  mgpbas  20265  mgpsca  20266  mgptset  20267  mgpds  20269
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