![]() |
Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > ILE Home > Th. List > dmv | GIF version |
Description: The domain of the universe is the universe. (Contributed by NM, 8-Aug-2003.) |
Ref | Expression |
---|---|
dmv | ⊢ dom V = V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssv 3201 | . 2 ⊢ dom V ⊆ V | |
2 | dmi 4877 | . . 3 ⊢ dom I = V | |
3 | ssv 3201 | . . . 4 ⊢ I ⊆ V | |
4 | dmss 4861 | . . . 4 ⊢ ( I ⊆ V → dom I ⊆ dom V) | |
5 | 3, 4 | ax-mp 5 | . . 3 ⊢ dom I ⊆ dom V |
6 | 2, 5 | eqsstrri 3212 | . 2 ⊢ V ⊆ dom V |
7 | 1, 6 | eqssi 3195 | 1 ⊢ dom V = V |
Colors of variables: wff set class |
Syntax hints: = wceq 1364 Vcvv 2760 ⊆ wss 3153 I cid 4319 dom cdm 4659 |
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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-br 4030 df-opab 4091 df-id 4324 df-xp 4665 df-rel 4666 df-dm 4669 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |