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Mirrors > Home > MPE Home > Th. List > zfregOLD | Structured version Visualization version Unicode version |
Description: Obsolete version of zfreg 8500 as of 28-Apr-2021. (Contributed by NM, 26-Nov-1995.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
zfregOLD.1 |
Ref | Expression |
---|---|
zfregOLD |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | zfregOLD.1 | . . 3 | |
2 | 1 | zfregclOLD 8501 | . 2 |
3 | n0 3931 | . 2 | |
4 | disj 4017 | . . 3 | |
5 | 4 | rexbii 3041 | . 2 |
6 | 2, 3, 5 | 3imtr4i 281 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wceq 1483 wex 1704 wcel 1990 wne 2794 wral 2912 wrex 2913 cvv 3200 cin 3573 c0 3915 |
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-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-reg 8497 |
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-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-in 3581 df-nul 3916 |
This theorem is referenced by: (None) |
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