| Metamath Proof Explorer |
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| Description: A function's value belongs to its range. |
| Ref | Expression |
|---|---|
| fnfvelrn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvelrn 3888 |
. 2
| |
| 2 | 1 | funfni 3663 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ffvelrn 3890 rnssopab 3901 fopabcos 3909 fnoprvalrn 4116 fo1stres 4173 fo2ndres 4174 phplem4 4600 inf0 4692 noinfep 4726 aceq5 4826 cardinfima 4980 alephfplem1 4985 alephfplem3 4987 alephfp 4989 fseqsupubi 6586 om2uzrani 6592 seqzcl 6681 seq1ublem 7034 seq1ubi 7035 climsupi 7278 ruclem33 7667 ruclem35 7669 ghgrpilem1 8252 ghgrpilem3 8254 ghgrpilem4 8255 pjoi0 9782 pjssdif1i 10220 pjadj3 10233 pjcmmul1i 10247 pjcmmul2i 10248 pj3si 10253 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 994 ax-gen 995 ax-8 996 ax-10 998 ax-11 999 ax-12 1000 ax-13 1001 ax-14 1002 ax-17 1003 ax-4 1005 ax-5o 1007 ax-6o 1010 ax-9o 1155 ax-10o 1173 ax-16 1243 ax-11o 1251 ax-ext 1494 ax-sep 2754 ax-pow 2794 ax-pr 2832 ax-un 2920 |
| This theorem depends on definitions: df-bi 145 df-or 222 df-an 223 df-ex 1013 df-sb 1205 df-eu 1415 df-mo 1416 df-clab 1500 df-cleq 1505 df-clel 1508 df-ne 1624 df-rex 1688 df-v 1850 df-dif 2093 df-un 2094 df-in 2095 df-ss 2097 df-nul 2325 df-pw 2447 df-sn 2457 df-pr 2458 df-op 2461 df-uni 2552 df-br 2670 df-opab 2718 df-id 2889 df-xp 3239 df-cnv 3241 df-co 3242 df-dm 3243 df-rn 3244 df-res 3245 df-ima 3246 df-fun 3247 df-fn 3248 df-fv 3253 |