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| Mirrors > Home > ILE Home > Th. List > usgr2v1e2w | GIF version | ||
| Description: A simple graph with two vertices and one edge represented by a singleton word. (Contributed by AV, 9-Jan-2021.) |
| Ref | Expression |
|---|---|
| usgr2v1e2w | ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → 〈{𝐴, 𝐵}, 〈“{𝐴, 𝐵}”〉〉 ∈ USGraph) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prexg 4351 | . . . . 5 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌) → {𝐴, 𝐵} ∈ V) | |
| 2 | 1 | 3adant3 1048 | . . . 4 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → {𝐴, 𝐵} ∈ V) |
| 3 | s1val 11408 | . . . 4 ⊢ ({𝐴, 𝐵} ∈ V → 〈“{𝐴, 𝐵}”〉 = {〈0, {𝐴, 𝐵}〉}) | |
| 4 | 2, 3 | syl 14 | . . 3 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → 〈“{𝐴, 𝐵}”〉 = {〈0, {𝐴, 𝐵}〉}) |
| 5 | 4 | opeq2d 3911 | . 2 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → 〈{𝐴, 𝐵}, 〈“{𝐴, 𝐵}”〉〉 = 〈{𝐴, 𝐵}, {〈0, {𝐴, 𝐵}〉}〉) |
| 6 | c0ex 8327 | . . . 4 ⊢ 0 ∈ V | |
| 7 | 6 | a1i 9 | . . 3 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → 0 ∈ V) |
| 8 | prid1g 3815 | . . . 4 ⊢ (𝐴 ∈ 𝑋 → 𝐴 ∈ {𝐴, 𝐵}) | |
| 9 | 8 | 3ad2ant1 1049 | . . 3 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → 𝐴 ∈ {𝐴, 𝐵}) |
| 10 | prid2g 3816 | . . . 4 ⊢ (𝐵 ∈ 𝑌 → 𝐵 ∈ {𝐴, 𝐵}) | |
| 11 | 10 | 3ad2ant2 1050 | . . 3 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → 𝐵 ∈ {𝐴, 𝐵}) |
| 12 | simp3 1030 | . . 3 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → 𝐴 ≠ 𝐵) | |
| 13 | usgr1eop 16703 | . . . 4 ⊢ ((({𝐴, 𝐵} ∈ V ∧ 0 ∈ V) ∧ (𝐴 ∈ {𝐴, 𝐵} ∧ 𝐵 ∈ {𝐴, 𝐵})) → (𝐴 ≠ 𝐵 → 〈{𝐴, 𝐵}, {〈0, {𝐴, 𝐵}〉}〉 ∈ USGraph)) | |
| 14 | 13 | 3impia 1231 | . . 3 ⊢ ((({𝐴, 𝐵} ∈ V ∧ 0 ∈ V) ∧ (𝐴 ∈ {𝐴, 𝐵} ∧ 𝐵 ∈ {𝐴, 𝐵}) ∧ 𝐴 ≠ 𝐵) → 〈{𝐴, 𝐵}, {〈0, {𝐴, 𝐵}〉}〉 ∈ USGraph) |
| 15 | 2, 7, 9, 11, 12, 14 | syl221anc 1289 | . 2 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → 〈{𝐴, 𝐵}, {〈0, {𝐴, 𝐵}〉}〉 ∈ USGraph) |
| 16 | 5, 15 | eqeltrd 2315 | 1 ⊢ ((𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑌 ∧ 𝐴 ≠ 𝐵) → 〈{𝐴, 𝐵}, 〈“{𝐴, 𝐵}”〉〉 ∈ USGraph) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 ∧ w3a 1009 = wceq 1402 ∈ wcel 2209 ≠ wne 2420 Vcvv 2821 {csn 3709 {cpr 3710 〈cop 3712 0cc0 8186 〈“cs1 11406 USGraphcusgr 16612 |
| 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-iinf 4737 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-addcom 8286 ax-mulcom 8287 ax-addass 8288 ax-mulass 8289 ax-distr 8290 ax-i2m1 8291 ax-1rid 8293 ax-0id 8294 ax-rnegex 8295 ax-cnre 8297 |
| 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-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-iom 4740 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 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-1st 6378 df-2nd 6379 df-1o 6691 df-2o 6692 df-er 6811 df-en 7028 df-sub 8507 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-dec 9790 df-s1 11407 df-ndx 13414 df-slot 13415 df-base 13417 df-edgf 16463 df-vtx 16472 df-iedg 16473 df-edg 16516 df-uspgren 16613 df-usgren 16614 |
| This theorem is used by: (None) |
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