Mathbox for Scott Fenton |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > txprel | Structured version Visualization version GIF version |
Description: A tail Cartesian product is a relationship. (Contributed by Scott Fenton, 31-Mar-2012.) |
Ref | Expression |
---|---|
txprel | ⊢ Rel (𝐴 ⊗ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | txpss3v 33339 | . . 3 ⊢ (𝐴 ⊗ 𝐵) ⊆ (V × (V × V)) | |
2 | xpss 5570 | . . 3 ⊢ (V × (V × V)) ⊆ (V × V) | |
3 | 1, 2 | sstri 3975 | . 2 ⊢ (𝐴 ⊗ 𝐵) ⊆ (V × V) |
4 | df-rel 5561 | . 2 ⊢ (Rel (𝐴 ⊗ 𝐵) ↔ (𝐴 ⊗ 𝐵) ⊆ (V × V)) | |
5 | 3, 4 | mpbir 233 | 1 ⊢ Rel (𝐴 ⊗ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: Vcvv 3494 ⊆ wss 3935 × cxp 5552 Rel wrel 5559 ⊗ ctxp 33291 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5202 ax-nul 5209 ax-pr 5329 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4567 df-pr 4569 df-op 4573 df-br 5066 df-opab 5128 df-xp 5560 df-rel 5561 df-cnv 5562 df-co 5563 df-res 5566 df-txp 33315 |
This theorem is referenced by: pprodss4v 33345 |
Copyright terms: Public domain | W3C validator |