Theorem isubgrupgr 48851

Description: An induced subgraph of a pseudograph is a pseudograph. (Contributed by AV, 14-May-2025.)

Hypothesis

Ref	Expression
isubgrupgr.v	⊢ 𝑉 = (Vtx‘𝐺)

Assertion

Ref	Expression
isubgrupgr	⊢ ((𝐺 ∈ UPGraph ∧ 𝑆 ⊆ 𝑉) → (𝐺 ISubGr 𝑆) ∈ UPGraph)

Proof of Theorem isubgrupgr

Step	Hyp	Ref	Expression
1		upgruhgr 29591	. . 3 ⊢ (𝐺 ∈ UPGraph → 𝐺 ∈ UHGraph)
2		isubgrupgr.v	. . . 4 ⊢ 𝑉 = (Vtx‘𝐺)
3	2	isubgrsubgr 48850	. . 3 ⊢ ((𝐺 ∈ UHGraph ∧ 𝑆 ⊆ 𝑉) → (𝐺 ISubGr 𝑆) SubGraph 𝐺)
4	1, 3	sylan 592	. 2 ⊢ ((𝐺 ∈ UPGraph ∧ 𝑆 ⊆ 𝑉) → (𝐺 ISubGr 𝑆) SubGraph 𝐺)
5		subupgr 29779	. 2 ⊢ ((𝐺 ∈ UPGraph ∧ (𝐺 ISubGr 𝑆) SubGraph 𝐺) → (𝐺 ISubGr 𝑆) ∈ UPGraph)
6	4, 5	syldan 603	1 ⊢ ((𝐺 ∈ UPGraph ∧ 𝑆 ⊆ 𝑉) → (𝐺 ISubGr 𝑆) ∈ UPGraph)

This proof depends on syntax axioms:   → wi 4   ∧ wa 401   = wceq 1570   ∈ wcel 2145   ⊆ wss 3899   class class class wbr 5103  ‘cfv 6535  (class class class)co 7416  Vtxcvtx 29485  UHGraphcuhgr 29545  UPGraphcupgr 29569   SubGraph csubgr 29759   ISubGr cisubgr 48841

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-pr 5398  ax-un 7742

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-csb 3848  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 6491  df-fun 6537  df-fn 6538  df-f 6539  df-fv 6543  df-ov 7419  df-oprab 7420  df-mpo 7421  df-1st 7992  df-2nd 7993  df-vtx 29487  df-iedg 29488  df-edg 29537  df-uhgr 29547  df-upgr 29571  df-subgr 29760  df-isubgr 48842

This theorem is used by: (None)