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Definition df-p0 17642
Description: Define poset zero. (Contributed by NM, 12-Oct-2011.)
Assertion
Ref Expression
df-p0 0. = (𝑝 ∈ V ↦ ((glb‘𝑝)‘(Base‘𝑝)))

Detailed syntax breakdown of Definition df-p0
StepHypRef Expression
1 cp0 17640 . 2 class 0.
2 vp . . 3 setvar 𝑝
3 cvv 3499 . . 3 class V
42cv 1529 . . . . 5 class 𝑝
5 cbs 16476 . . . . 5 class Base
64, 5cfv 6351 . . . 4 class (Base‘𝑝)
7 cglb 17546 . . . . 5 class glb
84, 7cfv 6351 . . . 4 class (glb‘𝑝)
96, 8cfv 6351 . . 3 class ((glb‘𝑝)‘(Base‘𝑝))
102, 3, 9cmpt 5142 . 2 class (𝑝 ∈ V ↦ ((glb‘𝑝)‘(Base‘𝑝)))
111, 10wceq 1530 1 wff 0. = (𝑝 ∈ V ↦ ((glb‘𝑝)‘(Base‘𝑝)))
Colors of variables: wff setvar class
This definition is referenced by:  p0val  17644
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