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| Mirrors > Home > MPE Home > Th. List > slwpgp | Structured version Visualization version GIF version | ||
| Description: A Sylow 𝑃-subgroup is a 𝑃-group. (Contributed by Mario Carneiro, 16-Jan-2015.) |
| Ref | Expression |
|---|---|
| slwpgp.1 | ⊢ 𝑆 = (𝐺 ↾s 𝐻) |
| Ref | Expression |
|---|---|
| slwpgp | ⊢ (𝐻 ∈ (𝑃 pSyl 𝐺) → 𝑃 pGrp 𝑆) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2760 | . . 3 ⊢ 𝐻 = 𝐻 | |
| 2 | slwsubg 19737 | . . . 4 ⊢ (𝐻 ∈ (𝑃 pSyl 𝐺) → 𝐻 ∈ (SubGrp‘𝐺)) | |
| 3 | slwpgp.1 | . . . . 5 ⊢ 𝑆 = (𝐺 ↾s 𝐻) | |
| 4 | 3 | slwispgp 19738 | . . . 4 ⊢ ((𝐻 ∈ (𝑃 pSyl 𝐺) ∧ 𝐻 ∈ (SubGrp‘𝐺)) → ((𝐻 ⊆ 𝐻 ∧ 𝑃 pGrp 𝑆) ↔ 𝐻 = 𝐻)) |
| 5 | 2, 4 | mpdan 700 | . . 3 ⊢ (𝐻 ∈ (𝑃 pSyl 𝐺) → ((𝐻 ⊆ 𝐻 ∧ 𝑃 pGrp 𝑆) ↔ 𝐻 = 𝐻)) |
| 6 | 1, 5 | mpbiri 261 | . 2 ⊢ (𝐻 ∈ (𝑃 pSyl 𝐺) → (𝐻 ⊆ 𝐻 ∧ 𝑃 pGrp 𝑆)) |
| 7 | 6 | simprd 501 | 1 ⊢ (𝐻 ∈ (𝑃 pSyl 𝐺) → 𝑃 pGrp 𝑆) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ⊆ wss 3899 class class class wbr 5103 ‘cfv 6533 (class class class)co 7413 ↾s cress 17322 SubGrpcsubg 19243 pGrp cpgp 19653 pSyl cslw 19654 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 |
| 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 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fv 6541 df-ov 7416 df-oprab 7417 df-mpo 7418 df-subg 19246 df-slw 19658 |
| This theorem is used by: slwhash 19751 sylow2 19753 sylow3lem6 19759 |
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