| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > wlkreslem | GIF version | ||
| Description: Lemma for wlkres 16098. (Contributed by AV, 5-Mar-2021.) (Revised by AV, 30-Nov-2022.) |
| Ref | Expression |
|---|---|
| wlkres.v | ⊢ 𝑉 = (Vtx‘𝐺) |
| wlkres.i | ⊢ 𝐼 = (iEdg‘𝐺) |
| wlkres.d | ⊢ (𝜑 → 𝐹(Walks‘𝐺)𝑃) |
| wlkres.n | ⊢ (𝜑 → 𝑁 ∈ (0..^(♯‘𝐹))) |
| wlkres.s | ⊢ (𝜑 → (Vtx‘𝑆) = 𝑉) |
| Ref | Expression |
|---|---|
| wlkreslem | ⊢ (𝜑 → 𝑆 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | wlkres.d | . . 3 ⊢ (𝜑 → 𝐹(Walks‘𝐺)𝑃) | |
| 2 | wlkres.v | . . . 4 ⊢ 𝑉 = (Vtx‘𝐺) | |
| 3 | 2 | wlkvtxm 16061 | . . 3 ⊢ (𝐹(Walks‘𝐺)𝑃 → ∃𝑥 𝑥 ∈ 𝑉) |
| 4 | 1, 3 | syl 14 | . 2 ⊢ (𝜑 → ∃𝑥 𝑥 ∈ 𝑉) |
| 5 | wlkres.s | . . . . 5 ⊢ (𝜑 → (Vtx‘𝑆) = 𝑉) | |
| 6 | 5 | eleq2d 2299 | . . . 4 ⊢ (𝜑 → (𝑥 ∈ (Vtx‘𝑆) ↔ 𝑥 ∈ 𝑉)) |
| 7 | 6 | biimpar 297 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → 𝑥 ∈ (Vtx‘𝑆)) |
| 8 | df-vtx 15823 | . . . 4 ⊢ Vtx = (𝑔 ∈ V ↦ if(𝑔 ∈ (V × V), (1st ‘𝑔), (Base‘𝑔))) | |
| 9 | 8 | mptrcl 5719 | . . 3 ⊢ (𝑥 ∈ (Vtx‘𝑆) → 𝑆 ∈ V) |
| 10 | 7, 9 | syl 14 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → 𝑆 ∈ V) |
| 11 | 4, 10 | exlimddv 1945 | 1 ⊢ (𝜑 → 𝑆 ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1395 ∃wex 1538 ∈ wcel 2200 Vcvv 2799 ifcif 3602 class class class wbr 4083 × cxp 4717 ‘cfv 5318 (class class class)co 6007 1st c1st 6290 0cc0 8007 ..^cfzo 10346 ♯chash 11005 Basecbs 13040 Vtxcvtx 15821 iEdgciedg 15822 Walkscwlks 16038 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-nul 4210 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-iinf 4680 ax-cnex 8098 ax-resscn 8099 ax-1cn 8100 ax-1re 8101 ax-icn 8102 ax-addcl 8103 ax-addrcl 8104 ax-mulcl 8105 ax-addcom 8107 ax-mulcom 8108 ax-addass 8109 ax-mulass 8110 ax-distr 8111 ax-i2m1 8112 ax-0lt1 8113 ax-1rid 8114 ax-0id 8115 ax-rnegex 8116 ax-cnre 8118 ax-pre-ltirr 8119 ax-pre-ltwlin 8120 ax-pre-lttrn 8121 ax-pre-apti 8122 ax-pre-ltadd 8123 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-ifp 984 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-if 3603 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-tr 4183 df-id 4384 df-iord 4457 df-on 4459 df-ilim 4460 df-suc 4462 df-iom 4683 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 df-fv 5326 df-riota 5960 df-ov 6010 df-oprab 6011 df-mpo 6012 df-1st 6292 df-2nd 6293 df-recs 6457 df-frec 6543 df-1o 6568 df-er 6688 df-map 6805 df-en 6896 df-dom 6897 df-fin 6898 df-pnf 8191 df-mnf 8192 df-xr 8193 df-ltxr 8194 df-le 8195 df-sub 8327 df-neg 8328 df-inn 9119 df-2 9177 df-3 9178 df-4 9179 df-5 9180 df-6 9181 df-7 9182 df-8 9183 df-9 9184 df-n0 9378 df-z 9455 df-dec 9587 df-uz 9731 df-fz 10213 df-fzo 10347 df-ihash 11006 df-word 11080 df-ndx 13043 df-slot 13044 df-base 13046 df-edgf 15814 df-vtx 15823 df-iedg 15824 df-wlks 16039 |
| This theorem is referenced by: wlkres 16098 |
| Copyright terms: Public domain | W3C validator |