Theorem pgpprm 19568

Description: Reverse closure for the first argument of pGrp. (Contributed by Mario Carneiro, 15-Jan-2015.)

Assertion

Ref	Expression
pgpprm	⊢ (𝑃 pGrp 𝐺 → 𝑃 ∈ ℙ)

Proof of Theorem pgpprm

Dummy variables 𝑥 𝑛 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2736	. . 3 ⊢ (Base‘𝐺) = (Base‘𝐺)
2		eqid 2736	. . 3 ⊢ (od‘𝐺) = (od‘𝐺)
3	1, 2	ispgp 19567	. 2 ⊢ (𝑃 pGrp 𝐺 ↔ (𝑃 ∈ ℙ ∧ 𝐺 ∈ Grp ∧ ∀𝑥 ∈ (Base‘𝐺)∃𝑛 ∈ ℕ0 ((od‘𝐺)‘𝑥) = (𝑃↑𝑛)))
4	3	simp1bi 1146	1 ⊢ (𝑃 pGrp 𝐺 → 𝑃 ∈ ℙ)

Syntax hints:   → wi 4   = wceq 1542   ∈ wcel 2114  ∀wral 3051  ∃wrex 3061   class class class wbr 5085  ‘cfv 6498  (class class class)co 7367  ℕ₀cn0 12437  ↑cexp 14023  ℙcprime 16640  Basecbs 17179  Grpcgrp 18909  odcod 19499   pGrp cpgp 19501

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-ext 2708  ax-sep 5231  ax-pr 5375

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2715  df-cleq 2728  df-clel 2811  df-ral 3052  df-rex 3062  df-rab 3390  df-v 3431  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-nul 4274  df-if 4467  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-br 5086  df-opab 5148  df-xp 5637  df-iota 6454  df-fv 6506  df-ov 7370  df-pgp 19505

This theorem is referenced by:  subgpgp  19572  pgpssslw  19589  sylow2blem3  19597  pgpfac1lem2  20052  pgpfac1lem3a  20053  pgpfac1lem3  20054  pgpfac1lem4  20055  pgpfaclem1  20058