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Mirrors > Home > MPE Home > Th. List > edgval | Structured version Visualization version GIF version |
Description: The edges of a graph. (Contributed by AV, 1-Jan-2020.) (Revised by AV, 13-Oct-2020.) (Revised by AV, 8-Dec-2021.) |
Ref | Expression |
---|---|
edgval | ⊢ (Edg‘𝐺) = ran (iEdg‘𝐺) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-edg 25940 | . . . 4 ⊢ Edg = (𝑔 ∈ V ↦ ran (iEdg‘𝑔)) | |
2 | 1 | a1i 11 | . . 3 ⊢ (𝐺 ∈ V → Edg = (𝑔 ∈ V ↦ ran (iEdg‘𝑔))) |
3 | fveq2 6191 | . . . . 5 ⊢ (𝑔 = 𝐺 → (iEdg‘𝑔) = (iEdg‘𝐺)) | |
4 | 3 | rneqd 5353 | . . . 4 ⊢ (𝑔 = 𝐺 → ran (iEdg‘𝑔) = ran (iEdg‘𝐺)) |
5 | 4 | adantl 482 | . . 3 ⊢ ((𝐺 ∈ V ∧ 𝑔 = 𝐺) → ran (iEdg‘𝑔) = ran (iEdg‘𝐺)) |
6 | id 22 | . . 3 ⊢ (𝐺 ∈ V → 𝐺 ∈ V) | |
7 | fvex 6201 | . . . . 5 ⊢ (iEdg‘𝐺) ∈ V | |
8 | 7 | rnex 7100 | . . . 4 ⊢ ran (iEdg‘𝐺) ∈ V |
9 | 8 | a1i 11 | . . 3 ⊢ (𝐺 ∈ V → ran (iEdg‘𝐺) ∈ V) |
10 | 2, 5, 6, 9 | fvmptd 6288 | . 2 ⊢ (𝐺 ∈ V → (Edg‘𝐺) = ran (iEdg‘𝐺)) |
11 | rn0 5377 | . . . 4 ⊢ ran ∅ = ∅ | |
12 | 11 | a1i 11 | . . 3 ⊢ (¬ 𝐺 ∈ V → ran ∅ = ∅) |
13 | fvprc 6185 | . . . 4 ⊢ (¬ 𝐺 ∈ V → (iEdg‘𝐺) = ∅) | |
14 | 13 | rneqd 5353 | . . 3 ⊢ (¬ 𝐺 ∈ V → ran (iEdg‘𝐺) = ran ∅) |
15 | fvprc 6185 | . . 3 ⊢ (¬ 𝐺 ∈ V → (Edg‘𝐺) = ∅) | |
16 | 12, 14, 15 | 3eqtr4rd 2667 | . 2 ⊢ (¬ 𝐺 ∈ V → (Edg‘𝐺) = ran (iEdg‘𝐺)) |
17 | 10, 16 | pm2.61i 176 | 1 ⊢ (Edg‘𝐺) = ran (iEdg‘𝐺) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 = wceq 1483 ∈ wcel 1990 Vcvv 3200 ∅c0 3915 ↦ cmpt 4729 ran crn 5115 ‘cfv 5888 iEdgciedg 25875 Edgcedg 25939 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-iota 5851 df-fun 5890 df-fv 5896 df-edg 25940 |
This theorem is referenced by: iedgedg 25943 edgopval 25944 edgstruct 25946 edgiedgb 25947 edg0iedg0 25949 uhgredgn0 26023 upgredgss 26027 umgredgss 26028 edgupgr 26029 uhgrvtxedgiedgb 26031 upgredg 26032 usgredgss 26054 ausgrumgri 26062 ausgrusgri 26063 uspgrf1oedg 26068 uspgrupgrushgr 26072 usgrumgruspgr 26075 usgruspgrb 26076 usgrf1oedg 26099 uhgr2edg 26100 usgrsizedg 26107 usgredg3 26108 ushgredgedg 26121 ushgredgedgloop 26123 usgr1e 26137 edg0usgr 26145 usgr1v0edg 26149 usgrexmpledg 26154 subgrprop3 26168 0grsubgr 26170 0uhgrsubgr 26171 subgruhgredgd 26176 uhgrspansubgrlem 26182 uhgrspan1 26195 upgrres1 26205 usgredgffibi 26216 dfnbgr3 26236 nbupgrres 26266 usgrnbcnvfv 26267 cplgrop 26333 cusgrexi 26339 structtocusgr 26342 cusgrsize 26350 1loopgredg 26397 1egrvtxdg0 26407 umgr2v2eedg 26420 edginwlk 26530 wlkl1loop 26534 wlkvtxedg 26540 uspgr2wlkeq 26542 wlkiswwlks1 26753 wlkiswwlks2lem4 26758 wlkiswwlks2lem5 26759 wlkiswwlks2 26761 wlkiswwlksupgr2 26763 2pthon3v 26839 umgrwwlks2on 26850 clwlkclwwlk 26903 clwlksfclwwlk 26962 |
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