|   | Metamath Proof Explorer | < Previous  
      Next > Nearby theorems | |
| Mirrors > Home > MPE Home > Th. List > sizusglecusglem1 | Structured version Visualization version GIF version | ||
| Description: Lemma 1 for sizusglecusg 29481. (Contributed by Alexander van der Vekens, 12-Jan-2018.) (Revised by AV, 13-Nov-2020.) | 
| Ref | Expression | 
|---|---|
| fusgrmaxsize.v | ⊢ 𝑉 = (Vtx‘𝐺) | 
| fusgrmaxsize.e | ⊢ 𝐸 = (Edg‘𝐺) | 
| usgrsscusgra.h | ⊢ 𝑉 = (Vtx‘𝐻) | 
| usgrsscusgra.f | ⊢ 𝐹 = (Edg‘𝐻) | 
| Ref | Expression | 
|---|---|
| sizusglecusglem1 | ⊢ ((𝐺 ∈ USGraph ∧ 𝐻 ∈ ComplUSGraph) → ( I ↾ 𝐸):𝐸–1-1→𝐹) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | f1oi 6886 | . . 3 ⊢ ( I ↾ 𝐸):𝐸–1-1-onto→𝐸 | |
| 2 | f1of1 6847 | . . 3 ⊢ (( I ↾ 𝐸):𝐸–1-1-onto→𝐸 → ( I ↾ 𝐸):𝐸–1-1→𝐸) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ ( I ↾ 𝐸):𝐸–1-1→𝐸 | 
| 4 | fusgrmaxsize.v | . . 3 ⊢ 𝑉 = (Vtx‘𝐺) | |
| 5 | fusgrmaxsize.e | . . 3 ⊢ 𝐸 = (Edg‘𝐺) | |
| 6 | usgrsscusgra.h | . . 3 ⊢ 𝑉 = (Vtx‘𝐻) | |
| 7 | usgrsscusgra.f | . . 3 ⊢ 𝐹 = (Edg‘𝐻) | |
| 8 | 4, 5, 6, 7 | usgredgsscusgredg 29477 | . 2 ⊢ ((𝐺 ∈ USGraph ∧ 𝐻 ∈ ComplUSGraph) → 𝐸 ⊆ 𝐹) | 
| 9 | f1ss 6809 | . 2 ⊢ ((( I ↾ 𝐸):𝐸–1-1→𝐸 ∧ 𝐸 ⊆ 𝐹) → ( I ↾ 𝐸):𝐸–1-1→𝐹) | |
| 10 | 3, 8, 9 | sylancr 587 | 1 ⊢ ((𝐺 ∈ USGraph ∧ 𝐻 ∈ ComplUSGraph) → ( I ↾ 𝐸):𝐸–1-1→𝐹) | 
| Colors of variables: wff setvar class | 
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2108 ⊆ wss 3951 I cid 5577 ↾ cres 5687 –1-1→wf1 6558 –1-1-onto→wf1o 6560 ‘cfv 6561 Vtxcvtx 29013 Edgcedg 29064 USGraphcusgr 29166 ComplUSGraphccusgr 29427 | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 | 
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-int 4947 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8014 df-2nd 8015 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-1o 8506 df-2o 8507 df-oadd 8510 df-er 8745 df-en 8986 df-dom 8987 df-sdom 8988 df-fin 8989 df-dju 9941 df-card 9979 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-nn 12267 df-2 12329 df-n0 12527 df-xnn0 12600 df-z 12614 df-uz 12879 df-fz 13548 df-hash 14370 df-edg 29065 df-upgr 29099 df-umgr 29100 df-usgr 29168 df-nbgr 29350 df-uvtx 29403 df-cplgr 29428 df-cusgr 29429 | 
| This theorem is referenced by: sizusglecusg 29481 | 
| Copyright terms: Public domain | W3C validator |