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| Mirrors > Home > ILE Home > Th. List > setsiedg | GIF version | ||
| Description: The (indexed) edges of a structure with a base set and an inserted resp. replaced slot for the edge function. (Contributed by AV, 7-Jun-2021.) (Revised by AV, 16-Nov-2021.) |
| Ref | Expression |
|---|---|
| setsvtx.i | ⊢ 𝐼 = (.ef‘ndx) |
| setsvtx.s | ⊢ (𝜑 → 𝐺 Struct 𝑋) |
| setsvtx.b | ⊢ (𝜑 → (Base‘ndx) ∈ dom 𝐺) |
| setsvtx.e | ⊢ (𝜑 → 𝐸 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| setsiedg | ⊢ (𝜑 → (iEdg‘(𝐺 sSet 〈𝐼, 𝐸〉)) = 𝐸) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | setsvtx.s | . . . . 5 ⊢ (𝜑 → 𝐺 Struct 𝑋) | |
| 2 | structex 13423 | . . . . 5 ⊢ (𝐺 Struct 𝑋 → 𝐺 ∈ V) | |
| 3 | 1, 2 | syl 14 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ V) |
| 4 | edgfndxnn 16466 | . . . . 5 ⊢ (.ef‘ndx) ∈ ℕ | |
| 5 | 4 | a1i 9 | . . . 4 ⊢ (𝜑 → (.ef‘ndx) ∈ ℕ) |
| 6 | setsvtx.e | . . . 4 ⊢ (𝜑 → 𝐸 ∈ 𝑊) | |
| 7 | setsex 13443 | . . . 4 ⊢ ((𝐺 ∈ V ∧ (.ef‘ndx) ∈ ℕ ∧ 𝐸 ∈ 𝑊) → (𝐺 sSet 〈(.ef‘ndx), 𝐸〉) ∈ V) | |
| 8 | 3, 5, 6, 7 | syl3anc 1278 | . . 3 ⊢ (𝜑 → (𝐺 sSet 〈(.ef‘ndx), 𝐸〉) ∈ V) |
| 9 | 1, 5, 6 | setsn0fun 13448 | . . 3 ⊢ (𝜑 → Fun ((𝐺 sSet 〈(.ef‘ndx), 𝐸〉) ∖ {∅})) |
| 10 | setsvtx.b | . . . 4 ⊢ (𝜑 → (Base‘ndx) ∈ dom 𝐺) | |
| 11 | 1, 5, 6, 10 | bassetsnn 13468 | . . 3 ⊢ (𝜑 → {(Base‘ndx), (.ef‘ndx)} ⊆ dom (𝐺 sSet 〈(.ef‘ndx), 𝐸〉)) |
| 12 | funiedgvalg 16495 | . . 3 ⊢ (((𝐺 sSet 〈(.ef‘ndx), 𝐸〉) ∈ V ∧ Fun ((𝐺 sSet 〈(.ef‘ndx), 𝐸〉) ∖ {∅}) ∧ {(Base‘ndx), (.ef‘ndx)} ⊆ dom (𝐺 sSet 〈(.ef‘ndx), 𝐸〉)) → (iEdg‘(𝐺 sSet 〈(.ef‘ndx), 𝐸〉)) = (.ef‘(𝐺 sSet 〈(.ef‘ndx), 𝐸〉))) | |
| 13 | 8, 9, 11, 12 | syl3anc 1278 | . 2 ⊢ (𝜑 → (iEdg‘(𝐺 sSet 〈(.ef‘ndx), 𝐸〉)) = (.ef‘(𝐺 sSet 〈(.ef‘ndx), 𝐸〉))) |
| 14 | setsvtx.i | . . . . . 6 ⊢ 𝐼 = (.ef‘ndx) | |
| 15 | 14 | opeq1i 3907 | . . . . 5 ⊢ 〈𝐼, 𝐸〉 = 〈(.ef‘ndx), 𝐸〉 |
| 16 | 15 | oveq2i 6099 | . . . 4 ⊢ (𝐺 sSet 〈𝐼, 𝐸〉) = (𝐺 sSet 〈(.ef‘ndx), 𝐸〉) |
| 17 | 16 | fveq2i 5701 | . . 3 ⊢ (iEdg‘(𝐺 sSet 〈𝐼, 𝐸〉)) = (iEdg‘(𝐺 sSet 〈(.ef‘ndx), 𝐸〉)) |
| 18 | 17 | a1i 9 | . 2 ⊢ (𝜑 → (iEdg‘(𝐺 sSet 〈𝐼, 𝐸〉)) = (iEdg‘(𝐺 sSet 〈(.ef‘ndx), 𝐸〉))) |
| 19 | edgfid 16464 | . . . . 5 ⊢ .ef = Slot (.ef‘ndx) | |
| 20 | 19, 4 | ndxslid 13436 | . . . 4 ⊢ (.ef = Slot (.ef‘ndx) ∧ (.ef‘ndx) ∈ ℕ) |
| 21 | 20 | setsslid 13462 | . . 3 ⊢ ((𝐺 ∈ V ∧ 𝐸 ∈ 𝑊) → 𝐸 = (.ef‘(𝐺 sSet 〈(.ef‘ndx), 𝐸〉))) |
| 22 | 3, 6, 21 | syl2anc 415 | . 2 ⊢ (𝜑 → 𝐸 = (.ef‘(𝐺 sSet 〈(.ef‘ndx), 𝐸〉))) |
| 23 | 13, 18, 22 | 3eqtr4d 2281 | 1 ⊢ (𝜑 → (iEdg‘(𝐺 sSet 〈𝐼, 𝐸〉)) = 𝐸) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 ∈ wcel 2209 Vcvv 2821 ∖ cdif 3217 ⊆ wss 3220 ∅c0 3520 {csn 3709 {cpr 3710 〈cop 3712 class class class wbr 4131 dom cdm 4776 Fun wfun 5374 ‘cfv 5380 (class class class)co 6088 ℕcn 9314 Struct cstr 13407 ndxcnx 13408 sSet csts 13409 Basecbs 13411 .efcedgf 16462 iEdgciedg 16471 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-nul 4261 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8277 ax-resscn 8278 ax-1cn 8279 ax-1re 8280 ax-icn 8281 ax-addcl 8282 ax-addrcl 8283 ax-mulcl 8284 ax-mulrcl 8285 ax-addcom 8286 ax-mulcom 8287 ax-addass 8288 ax-mulass 8289 ax-distr 8290 ax-i2m1 8291 ax-0lt1 8292 ax-1rid 8293 ax-0id 8294 ax-rnegex 8295 ax-precex 8296 ax-cnre 8297 ax-pre-ltirr 8298 ax-pre-ltwlin 8299 ax-pre-lttrn 8300 ax-pre-ltadd 8302 ax-pre-mulgt0 8303 |
| This proof depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-mpt 4195 df-tr 4232 df-id 4440 df-iord 4513 df-on 4515 df-suc 4518 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-2nd 6379 df-1o 6691 df-2o 6692 df-en 7028 df-dom 7029 df-pnf 8369 df-mnf 8370 df-xr 8371 df-ltxr 8372 df-le 8373 df-sub 8507 df-neg 8508 df-inn 9315 df-2 9373 df-3 9374 df-4 9375 df-5 9376 df-6 9377 df-7 9378 df-8 9379 df-9 9380 df-n0 9576 df-z 9657 df-dec 9790 df-struct 13413 df-ndx 13414 df-slot 13415 df-base 13417 df-sets 13418 df-edgf 16463 df-iedg 16473 |
| This theorem is used by: usgrstrrepeen 16689 |
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