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| Mirrors > Home > ILE Home > Th. List > rnss | Unicode version | ||
| Description: Subset theorem for range. (Contributed by NM, 22-Mar-1998.) |
| Ref | Expression |
|---|---|
| rnss |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnvss 4955 |
. . 3
| |
| 2 | dmss 4982 |
. . 3
| |
| 3 | 1, 2 | syl 14 |
. 2
|
| 4 | df-rn 4787 |
. 2
| |
| 5 | df-rn 4787 |
. 2
| |
| 6 | 3, 4, 5 | 3sstr4g 3291 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 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-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3715 df-pr 3716 df-op 3718 df-br 4132 df-opab 4194 df-cnv 4784 df-dm 4786 df-rn 4787 |
| This theorem is used by: imass1 5165 imass2 5166 rnxpss2 5224 ssxpbm 5226 ssxp2 5228 ssrnres 5233 funssxp 5560 fssres 5568 dff2 5855 fliftf 6008 1stcof 6401 2ndcof 6402 smores 6567 tfrcllembfn 6632 caserel 7433 frecuzrdgtcl 10870 prdsvallem 13680 prdsval 14280 lmss 15472 txss12 15492 txbasval 15493 subgrprop3 16708 |
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