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Theorem setsplusg 19615
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 (𝐸‘𝑅) = (𝐸‘𝑂)

Proof of Theorem setsplusg
StepHypRef Expression
1 setsplusg.e . . 3 𝐸 = Slot (𝐸‘ndx)
2 setsplusg.i . . 3 (𝐸‘ndx) ≠ (+g‘ndx)
31, 2setsnid 17430 . 2 (𝐸‘𝑅) = (𝐸‘(𝑅 sSet ⟨(+g‘ndx), 𝑆⟩))
4 setsplusg.o . . 3 𝑂 = (𝑅 sSet ⟨(+g‘ndx), 𝑆⟩)
54fveq2i 6919 . 2 (𝐸‘𝑂) = (𝐸‘(𝑅 sSet ⟨(+g‘ndx), 𝑆⟩))
63, 5eqtr4i 2789 1 (𝐸‘𝑅) = (𝐸‘𝑂)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1570   ≠ wne 2959  ⟨cop 4840  ‘cfv 6566  (class class class)co 7451   sSet csts 17385  Slot cslot 17403  ndxcnx 17415  +gcplusg 17472
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 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735  ax-sep 5255  ax-nul 5266  ax-pr 5398  ax-un 7783
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 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-ral 3081  df-rex 3091  df-rab 3417  df-v 3456  df-sbc 3743  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4841  df-uni 4873  df-br 5109  df-opab 5174  df-mpt 5193  df-id 5553  df-xp 5664  df-rel 5665  df-cnv 5666  df-co 5667  df-dm 5668  df-res 5670  df-iota 6520  df-fun 6568  df-fv 6574  df-ov 7454  df-oprab 7455  df-mpo 7456  df-sets 17386  df-slot 17404
This theorem is used by:  oppgbas  19616  oppgtset  19617  oppgle  19632  mgpbas  20416  mgpsca  20417  mgptset  20418  mgpds  20420
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