Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > nprrel | Structured version Visualization version GIF version |
Description: No proper class is related to anything via any relation. (Contributed by Roy F. Longton, 30-Jul-2005.) |
Ref | Expression |
---|---|
nprrel12.1 | ⊢ Rel 𝑅 |
nprrel.2 | ⊢ ¬ 𝐴 ∈ V |
Ref | Expression |
---|---|
nprrel | ⊢ ¬ 𝐴𝑅𝐵 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nprrel.2 | . 2 ⊢ ¬ 𝐴 ∈ V | |
2 | nprrel12.1 | . . 3 ⊢ Rel 𝑅 | |
3 | 2 | brrelex1i 5611 | . 2 ⊢ (𝐴𝑅𝐵 → 𝐴 ∈ V) |
4 | 1, 3 | mto 199 | 1 ⊢ ¬ 𝐴𝑅𝐵 |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 ∈ wcel 2113 Vcvv 3497 class class class wbr 5069 Rel wrel 5563 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pr 5333 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ral 3146 df-rex 3147 df-rab 3150 df-v 3499 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-sn 4571 df-pr 4573 df-op 4577 df-br 5070 df-opab 5132 df-xp 5564 df-rel 5565 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |