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| Mirrors > Home > MPE Home > Th. List > upgr0e | Structured version Visualization version GIF version | ||
| Description: The empty graph, with vertices but no edges, is a pseudograph. (Contributed by Mario Carneiro, 12-Mar-2015.) (Revised by AV, 11-Oct-2020.) (Proof shortened by AV, 25-Nov-2020.) |
| Ref | Expression |
|---|---|
| umgr0e.g | ⊢ (𝜑 → 𝐺 ∈ 𝑊) |
| umgr0e.e | ⊢ (𝜑 → (iEdg‘𝐺) = ∅) |
| Ref | Expression |
|---|---|
| upgr0e | ⊢ (𝜑 → 𝐺 ∈ UPGraph) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | umgr0e.g | . . 3 ⊢ (𝜑 → 𝐺 ∈ 𝑊) | |
| 2 | umgr0e.e | . . 3 ⊢ (𝜑 → (iEdg‘𝐺) = ∅) | |
| 3 | 1, 2 | umgr0e 29257 | . 2 ⊢ (𝜑 → 𝐺 ∈ UMGraph) |
| 4 | umgrupgr 29250 | . 2 ⊢ (𝐺 ∈ UMGraph → 𝐺 ∈ UPGraph) | |
| 5 | 3, 4 | syl 17 | 1 ⊢ (𝜑 → 𝐺 ∈ UPGraph) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 ∅c0 4285 ‘cfv 6517 iEdgciedg 29144 UPGraphcupgr 29227 UMGraphcumgr 29228 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-resscn 11127 ax-1cn 11128 ax-icn 11129 ax-addcl 11130 ax-addrcl 11131 ax-mulcl 11132 ax-mulrcl 11133 ax-i2m1 11138 ax-1ne0 11139 ax-rrecex 11142 ax-cnre 11143 ax-pre-lttri 11144 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5540 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-ov 7395 df-er 8673 df-en 8924 df-dom 8925 df-sdom 8926 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-2 12277 df-upgr 29229 df-umgr 29230 |
| This theorem is referenced by: upgr0eop 29261 upgr0eopALT 29263 |
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