| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > wlkreslem | GIF version | ||
| Description: Lemma for wlkres 16233. (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 16194 | . . 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 2301 | . . . 4 ⊢ (𝜑 → (𝑥 ∈ (Vtx‘𝑆) ↔ 𝑥 ∈ 𝑉)) |
| 7 | 6 | biimpar 297 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → 𝑥 ∈ (Vtx‘𝑆)) |
| 8 | df-vtx 15868 | . . . 4 ⊢ Vtx = (𝑔 ∈ V ↦ if(𝑔 ∈ (V × V), (1st ‘𝑔), (Base‘𝑔))) | |
| 9 | 8 | mptrcl 5729 | . . 3 ⊢ (𝑥 ∈ (Vtx‘𝑆) → 𝑆 ∈ V) |
| 10 | 7, 9 | syl 14 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑉) → 𝑆 ∈ V) |
| 11 | 4, 10 | exlimddv 1947 | 1 ⊢ (𝜑 → 𝑆 ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1397 ∃wex 1540 ∈ wcel 2202 Vcvv 2802 ifcif 3605 class class class wbr 4088 × cxp 4723 ‘cfv 5326 (class class class)co 6018 1st c1st 6301 0cc0 8032 ..^cfzo 10377 ♯chash 11038 Basecbs 13084 Vtxcvtx 15866 iEdgciedg 15867 Walkscwlks 16171 |
| 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 ax-cnex 8123 ax-resscn 8124 ax-1cn 8125 ax-1re 8126 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-addcom 8132 ax-mulcom 8133 ax-addass 8134 ax-mulass 8135 ax-distr 8136 ax-i2m1 8137 ax-0lt1 8138 ax-1rid 8139 ax-0id 8140 ax-rnegex 8141 ax-cnre 8143 ax-pre-ltirr 8144 ax-pre-ltwlin 8145 ax-pre-lttrn 8146 ax-pre-apti 8147 ax-pre-ltadd 8148 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-ifp 986 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-tr 4188 df-id 4390 df-iord 4463 df-on 4465 df-ilim 4466 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-1st 6303 df-2nd 6304 df-recs 6471 df-frec 6557 df-1o 6582 df-er 6702 df-map 6819 df-en 6910 df-dom 6911 df-fin 6912 df-pnf 8216 df-mnf 8217 df-xr 8218 df-ltxr 8219 df-le 8220 df-sub 8352 df-neg 8353 df-inn 9144 df-2 9202 df-3 9203 df-4 9204 df-5 9205 df-6 9206 df-7 9207 df-8 9208 df-9 9209 df-n0 9403 df-z 9480 df-dec 9612 df-uz 9756 df-fz 10244 df-fzo 10378 df-ihash 11039 df-word 11115 df-ndx 13087 df-slot 13088 df-base 13090 df-edgf 15859 df-vtx 15868 df-iedg 15869 df-wlks 16172 |
| This theorem is referenced by: wlkres 16233 |
| Copyright terms: Public domain | W3C validator |