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Mirrors > Home > MPE Home > Th. List > eusv4 | Structured version Visualization version Unicode version |
Description: Two ways to express single-valuedness of a class expression . (Contributed by NM, 27-Oct-2010.) |
Ref | Expression |
---|---|
eusv4.1 |
Ref | Expression |
---|---|
eusv4 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reusv2lem3 4871 | . 2 | |
2 | eusv4.1 | . . 3 | |
3 | 2 | a1i 11 | . 2 |
4 | 1, 3 | mprg 2926 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wceq 1483 wcel 1990 weu 2470 wral 2912 wrex 2913 cvv 3200 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-nul 4789 ax-pow 4843 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-v 3202 df-dif 3577 df-nul 3916 |
This theorem is referenced by: (None) |
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