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Mirrors > Home > MPE Home > Th. List > r19.27v | Structured version Visualization version Unicode version |
Description: Restricted quantitifer version of one direction of 19.27 2095. (The other direction holds when is nonempty, see r19.27zv 4071.) (Contributed by NM, 3-Jun-2004.) (Proof shortened by Andrew Salmon, 30-May-2011.) |
Ref | Expression |
---|---|
r19.27v |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1 6 | . . . 4 | |
2 | 1 | ralrimiv 2965 | . . 3 |
3 | 2 | anim2i 593 | . 2 |
4 | r19.26 3064 | . 2 | |
5 | 3, 4 | sylibr 224 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wcel 1990 wral 2912 |
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 |
This theorem depends on definitions: df-bi 197 df-an 386 df-ral 2917 |
This theorem is referenced by: r19.28v 3071 txlm 21451 tx1stc 21453 spanuni 28403 |
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