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Theorem setsplusg 19051
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 17008 . 2 (𝐸𝑅) = (𝐸‘(𝑅 sSet ⟨(+g‘ndx), 𝑆⟩))
4 setsplusg.o . . 3 𝑂 = (𝑅 sSet ⟨(+g‘ndx), 𝑆⟩)
54fveq2i 6829 . 2 (𝐸𝑂) = (𝐸‘(𝑅 sSet ⟨(+g‘ndx), 𝑆⟩))
63, 5eqtr4i 2767 1 (𝐸𝑅) = (𝐸𝑂)
Colors of variables: wff setvar class
Syntax hints:   = wceq 1540  wne 2940  cop 4580  cfv 6480  (class class class)co 7338   sSet csts 16962  Slot cslot 16980  ndxcnx 16992  +gcplusg 17060
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1912  ax-6 1970  ax-7 2010  ax-8 2107  ax-9 2115  ax-10 2136  ax-11 2153  ax-12 2170  ax-ext 2707  ax-sep 5244  ax-nul 5251  ax-pr 5373  ax-un 7651
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1781  df-nf 1785  df-sb 2067  df-mo 2538  df-eu 2567  df-clab 2714  df-cleq 2728  df-clel 2814  df-nfc 2886  df-ne 2941  df-ral 3062  df-rex 3071  df-rab 3404  df-v 3443  df-sbc 3728  df-dif 3901  df-un 3903  df-in 3905  df-ss 3915  df-nul 4271  df-if 4475  df-sn 4575  df-pr 4577  df-op 4581  df-uni 4854  df-br 5094  df-opab 5156  df-mpt 5177  df-id 5519  df-xp 5627  df-rel 5628  df-cnv 5629  df-co 5630  df-dm 5631  df-res 5633  df-iota 6432  df-fun 6482  df-fv 6488  df-ov 7341  df-oprab 7342  df-mpo 7343  df-sets 16963  df-slot 16981
This theorem is referenced by:  oppgbas  19053  oppgtset  19055  mgpbas  19822  mgpsca  19824  mgptset  19826  mgpds  19829  oppgle  31525
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