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Theorem efgmf 19646
Description: The formal inverse operation is an endofunction on the generating set. (Contributed by Mario Carneiro, 27-Sep-2015.)
Hypothesis
Ref Expression
efgmval.m 𝑀 = (𝑦𝐼, 𝑧 ∈ 2o ↦ ⟨𝑦, (1o𝑧)⟩)
Assertion
Ref Expression
efgmf 𝑀:(𝐼 × 2o)⟶(𝐼 × 2o)
Distinct variable group:   𝑦,𝑧,𝐼
Allowed substitution hints:   𝑀(𝑦,𝑧)

Proof of Theorem efgmf
StepHypRef Expression
1 2oconcl 8432 . . . 4 (𝑧 ∈ 2o → (1o𝑧) ∈ 2o)
2 opelxpi 5662 . . . 4 ((𝑦𝐼 ∧ (1o𝑧) ∈ 2o) → ⟨𝑦, (1o𝑧)⟩ ∈ (𝐼 × 2o))
31, 2sylan2 594 . . 3 ((𝑦𝐼𝑧 ∈ 2o) → ⟨𝑦, (1o𝑧)⟩ ∈ (𝐼 × 2o))
43rgen2 3177 . 2 𝑦𝐼𝑧 ∈ 2o𝑦, (1o𝑧)⟩ ∈ (𝐼 × 2o)
5 efgmval.m . . 3 𝑀 = (𝑦𝐼, 𝑧 ∈ 2o ↦ ⟨𝑦, (1o𝑧)⟩)
65fmpo 8014 . 2 (∀𝑦𝐼𝑧 ∈ 2o𝑦, (1o𝑧)⟩ ∈ (𝐼 × 2o) ↔ 𝑀:(𝐼 × 2o)⟶(𝐼 × 2o))
74, 6mpbi 230 1 𝑀:(𝐼 × 2o)⟶(𝐼 × 2o)
Colors of variables: wff setvar class
Syntax hints:   = wceq 1542  wcel 2114  wral 3052  cdif 3899  cop 4587   × cxp 5623  wf 6489  cmpo 7362  1oc1o 8392  2oc2o 8393
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5242  ax-nul 5252  ax-pr 5378  ax-un 7682
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3062  df-rab 3401  df-v 3443  df-sbc 3742  df-csb 3851  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-pss 3922  df-nul 4287  df-if 4481  df-pw 4557  df-sn 4582  df-pr 4584  df-op 4588  df-uni 4865  df-iun 4949  df-br 5100  df-opab 5162  df-mpt 5181  df-tr 5207  df-id 5520  df-eprel 5525  df-po 5533  df-so 5534  df-fr 5578  df-we 5580  df-xp 5631  df-rel 5632  df-cnv 5633  df-co 5634  df-dm 5635  df-rn 5636  df-res 5637  df-ima 5638  df-ord 6321  df-on 6322  df-suc 6324  df-iota 6449  df-fun 6495  df-fn 6496  df-f 6497  df-fv 6501  df-oprab 7364  df-mpo 7365  df-1st 7935  df-2nd 7936  df-1o 8399  df-2o 8400
This theorem is referenced by:  efgtf  19655  efgtlen  19659  efginvrel2  19660  efginvrel1  19661  efgredleme  19676  efgredlemc  19678  efgcpbllemb  19688  frgp0  19693  frgpinv  19697  vrgpinv  19702  frgpnabllem1  19806
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