Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > fvsn | Structured version Visualization version Unicode version |
Description: The value of a singleton of an ordered pair is the second member. (Contributed by NM, 12-Aug-1994.) |
Ref | Expression |
---|---|
fvsn.1 | |
fvsn.2 |
Ref | Expression |
---|---|
fvsn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvsn.1 | . . 3 | |
2 | fvsn.2 | . . 3 | |
3 | 1, 2 | funsn 5939 | . 2 |
4 | opex 4932 | . . 3 | |
5 | 4 | snid 4208 | . 2 |
6 | funopfv 6235 | . 2 | |
7 | 3, 5, 6 | mp2 9 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wceq 1483 wcel 1990 cvv 3200 csn 4177 cop 4183 wfun 5882 cfv 5888 |
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-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 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-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-iota 5851 df-fun 5890 df-fv 5896 |
This theorem is referenced by: fvsng 6447 fvsnun1 6448 fvpr1 6456 elixpsn 7947 mapsnen 8035 ac6sfi 8204 dcomex 9269 axdc3lem4 9275 0ram 15724 mdet0fv0 20400 chpmat0d 20639 imasdsf1olem 22178 axlowdimlem8 25829 axlowdimlem11 25832 subfacp1lem2a 31162 subfacp1lem5 31166 cvmliftlem4 31270 finixpnum 33394 poimirlem3 33412 fdc 33541 grposnOLD 33681 |
Copyright terms: Public domain | W3C validator |