| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > imassrn | Unicode version | ||
| Description: The image of a class is a subset of its range. Theorem 3.16(xi) of [Monk1] p. 39. (Contributed by NM, 31-Mar-1995.) |
| Ref | Expression |
|---|---|
| imassrn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | exsimpr 1667 |
. . 3
| |
| 2 | 1 | ss2abi 3314 |
. 2
|
| 3 | dfima3 5110 |
. 2
| |
| 4 | dfrn3 4950 |
. 2
| |
| 5 | 2, 3, 4 | 3sstr4i 3283 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4234 ax-pow 4293 ax-pr 4328 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-pw 3677 df-sn 3701 df-pr 3702 df-op 3704 df-br 4116 df-opab 4178 df-xp 4761 df-cnv 4763 df-dm 4765 df-rn 4766 df-res 4767 df-ima 4768 |
| This theorem is referenced by: imaexg 5121 0ima 5128 cnvimass 5131 fimass 5531 fimacnv 5812 f1opw2 6270 smores2 6539 ecss 6824 f1imaen2g 7047 fopwdom 7103 ssenen 7119 phplem4dom 7130 isinfinf 7168 fiintim 7205 sbthlem2 7242 sbthlemi3 7243 sbthlemi5 7245 sbthlemi6 7246 ctssdccl 7416 ballotfilemsima 13208 ballotfilemro 13215 ctinf 13270 ssnnctlemct 13286 mhmima 13751 cnptoprest2 15236 hmeontr 15309 hmeores 15311 tgqioo 15551 domomsubct 16916 |
| Copyright terms: Public domain | W3C validator |